Biggest changeWe intend to use the proceeds from the Notes offering for general corporate purposes, which may include repayment or reduction of existing debt, sales and marketing activities, medical affairs and educational efforts, research and development, clinical studies, working capital, capital expenditures and investments in and acquisitions of other companies, products or technologies in the future. 38 Table of Contents Results of Operations The following table sets forth certain operational data as a percentage of sales for the years indicated: 2023 2022 2021 Net sales 100 % 100 % 100 % Gross profit 46.4 45.1 45.2 Selling, general and administrative expenses 29.7 29.8 31.2 Research and development expenses 6.6 6.6 6.6 Legal settlement — — 0.9 Impairment charges — 0.2 0.4 Contingent consideration expense 0.1 0.4 0.3 Acquired in-process research and development expense 0.1 0.6 — Income from operations 9.9 7.6 5.7 Other expense — net (0.9) (0.4) (0.7) Income before income taxes 8.9 7.2 5.0 Net income 7.5 6.5 4.5 Sales Listed below are the sales by product category within each operating segment for the years ended December 31, 2023, 2022 and 2021 (in thousands, other than percentage changes): % Change 2023 % Change 2022 % Change 2021 Cardiovascular Peripheral Intervention 14.2 % $ 502,220 8.6 % $ 439,810 18.6 % $ 405,116 Cardiac Intervention 4.4 % 358,451 7.0 % 343,186 14.6 % 320,641 Custom Procedural Solutions 2.7 % 195,333 (1.9) % 190,194 (4.6) % 193,942 OEM 13.5 % 164,556 17.4 % 145,034 12.5 % 123,528 Total 9.2 % 1,220,560 7.2 % 1,118,224 11.7 % 1,043,227 Endoscopy Endoscopy Devices 12.4 % 36,806 3.9 % 32,757 6.2 % 31,524 Total 9.2 % $ 1,257,366 7.1 % $ 1,150,981 11.5 % $ 1,074,751 Cardiovascular Sales.
Biggest changeWith this approval, Merit can begin commercialization of the device in the U.S. in 2025. 39 Table of Contents Results of Operations The following table sets forth certain operational data as a percentage of sales for the years indicated: 2024 2023 2022 Net sales 100 % 100 % 100 % Gross profit 47.4 46.4 45.1 Selling, general and administrative expenses 29.5 29.7 29.8 Research and development expenses 6.4 6.6 6.6 Impairment charges — — 0.2 Contingent consideration expense 0.0 0.1 0.4 Acquired in-process research and development expense — 0.1 0.6 Income from operations 11.5 9.9 7.6 Other expense — net (0.4) (0.9) (0.4) Income before income taxes 11.1 8.9 7.2 Net income 8.9 7.5 6.5 Sales Listed below are the sales by product category within each operating segment for the years ended December 31, 2024, 2023 and 2022 (in thousands, other than percentage changes): % Change 2024 % Change 2023 % Change 2022 Cardiovascular Peripheral Intervention 9.9 % $ 552,168 14.2 % $ 502,220 8.6 % $ 439,810 Cardiac Intervention 3.5 % 370,993 4.4 % 358,451 7.0 % 343,186 Custom Procedural Solutions 3.0 % 201,201 2.7 % 195,333 (1.9) % 190,194 OEM 7.8 % 177,382 13.5 % 164,556 17.4 % 145,034 Total 6.7 % 1,301,744 9.2 % 1,220,560 7.2 % 1,118,224 Endoscopy Endoscopy Devices 48.8 % 54,770 12.4 % 36,806 3.9 % 32,757 Total 7.9 % $ 1,356,514 9.2 % $ 1,257,366 7.1 % $ 1,150,981 Cardiovascular Sales.
Based on this historical trend, we believe that our inventory balances as of December 31, 2023 have been accurately adjusted for any unmarketable and/or slow moving products that may expire prior to being sold. Valuation of Goodwill and Intangible Assets.
Based on this historical trend, we believe that our inventory balances as of December 31, 2024 have been accurately adjusted for any unmarketable and/or slow moving products that may expire prior to being sold. Valuation of Goodwill and Intangible Assets.
In 2023 we issued convertible debt of $747.5 million, paid $66.5 million for the purchase of capped call options, and decreased our net borrowings under our Fourth Amended Credit Agreement by $99.1 million.
In 2023 we issued convertible debt of $747.5 million, paid $66.5 million for the purchase of capped call options, and decreased our net borrowings under our Amended Fourth A&R Credit Agreement by $99.1 million.
During our annual test of goodwill balances in 2023, which was completed during the third quarter of 2023, we determined that the fair value of each reporting unit with goodwill exceeded the carrying amount by a significant amount.
During our annual test of goodwill balances in 2024, which was completed during the third quarter of 2024, we determined that the fair value of each reporting unit with goodwill exceeded the carrying amount by a significant amount.
As of December 31, 2023 and 2022, approximately $2.1 million and $2.1 million respectively, of our cash and cash equivalents represents restricted cash for the payment of certain import and other taxes for our subsidiary in China.
As of December 31, 2024 and 2023, approximately $2.1 million and $2.1 million respectively, of our cash and cash equivalents represents restricted cash for the payment of certain import and other taxes for our subsidiary in China.
We base the fair value of identifiable intangible assets acquired in a business combination on valuations that use information and assumptions that a market participant would use, including assumptions for estimated revenue projections, growth rates, cash flows, discount rates, useful life, and other relevant assumptions.
We base the fair value of identifiable intangible assets acquired in a business combination on valuations that use information and assumptions that a market 44 Table of Contents participant would use, including assumptions for estimated revenue projections, growth rates, cash flows, discount rates, useful life, and other relevant assumptions.
The foregoing fixed rates are exclusive of potential future changes in the applicable margin associated with our variable rate debt under the Fourth Amended Credit Agreement.
The foregoing fixed rates are exclusive of potential future changes in the applicable margin associated with our variable rate debt under the Amended Fourth A&R Credit Agreement.
Capital expenditures in each period were primarily related to investment in property and equipment to support development and production of our products. Historically, we have incurred significant expenses in connection with facility construction, production automation, product development and the introduction of new products. We anticipate that we will spend approximately $50 to $60 million in 2024 for property and equipment.
Capital expenditures in each period were primarily related to investment in property and equipment to support development and production of our products. Historically, we have incurred significant expenses in connection with facility construction, production automation, product development and the introduction of new products. We anticipate that we will spend approximately $55 to $60 million in 2025 for property and equipment.
Cash held by our subsidiary in China is subject to local laws and regulations that require government approval for the transfer of such funds to entities located outside of China. As of December 31, 2023 and 2022, we had cash and cash equivalents, including restricted cash, of $17.6 million and $26.1 million, respectively, held by our subsidiary in China.
Cash held by our subsidiary in China is subject to local laws and regulations that require government approval for the transfer of such funds to entities located outside of China. As of December 31, 2024 and 2023, we had cash and cash equivalents, including restricted cash, of $18.1 million and $17.6 million, respectively, held by our subsidiary in China.
See Note 8 and Note 9 to our consolidated financial statements set forth in Item 8 of this report for additional details regarding the Fourth Amended Credit Agreement, Convertible Notes, and our interest rate swap.
See Note 8 Debt and Note 9 Derivatives to our consolidated financial statements set forth in Item 8 of this report for additional details regarding the Amended Fourth A&R Credit Agreement, Convertible Notes, and our interest rate swap.
Contingent Consideration Expense . For the years ended December 31, 2023, 2022 and 2021, we recorded $1.7 million, $4.6 million and $3.2 million, respectively, of net contingent consideration expense from changes in the estimated fair value of our contingent consideration obligations stemming from our previously disclosed business acquisitions.
For the years ended December 31, 2024, 2023 and 2022, we recorded $0.4 million, $1.7 million and $4.6 million, respectively, of net contingent consideration expense from changes in the estimated fair value of our contingent consideration obligations stemming from our previously disclosed business acquisitions.
During the years ended December 31, 2023, 2022 and 2021, we recorded obsolescence expense of approximately $11.5 million, $9.8 million, and $10.9 million, respectively, and wrote off approximately $11.9 million, $10.2 million, and $11.6 million, respectively.
During the years ended December 31, 2024, 2023 and 2022, we recorded obsolescence expense of approximately $10.6 million, $11.5 million, and $9.8 million, respectively, and wrote off approximately $12.0 million, $11.9 million, and $10.2 million, respectively.
Gross Profit Our gross profit as a percentage of sales was 46.4%, 45.1%, and 45.2% for the years ended December 31, 2023, 2022 and 2021, respectively.
Gross Profit Our gross profit as a percentage of sales was 47.4%, 46.4%, and 45.1% for the years ended December 31, 2024, 2023 and 2022, respectively.
Research and Development Expenses . Our research and development (“R&D”) expenses as a percentage of sales were 6.6%, 6.6% and 6.6% for the years ended December 31 2023, 2022, and 2021, respectively. R&D expenses increased by $7.2 million or 9.6% to $82.7 million for the year ended December 31, 2023, compared to $75.5 million in 2022.
Research and Development Expenses . Our research and development (“R&D”) expenses as a percentage of sales were 6.4%, 6.6% and 6.6% for the years ended December 31 2024, 2023, and 2022, respectively. R&D expenses increased by $4.7 million or 5.7% to $87.5 million for the year ended December 31, 2024, compared to $82.7 million in 2023.
Other Income (Expense) Our other expense for the years ended December 31, 2023, 2022 and 2021 was $11.9 million, $4.9 million, and $7.0 million, respectively.
Other Income (Expense) Our other expense for the years ended December 31, 2024, 2023 and 2022 was $5.7 million, $11.9 million, and $4.9 million, respectively.
Cash Flows At December 31, 2023 and 2022, we had cash, cash equivalents and restricted cash of $589.1 million and $60.6 million respectively, of which $48.7 million and $49.6 million, respectively, were held by foreign subsidiaries. We do not consider our foreign earnings to be permanently reinvested.
Cash Flows At December 31, 2024 and 2023, we had cash, cash equivalents and restricted cash of $378.8 million and $589.1 million respectively, of which $50.6 million and $48.7 million, respectively, were held by foreign subsidiaries. We do not consider our foreign earnings to be permanently reinvested.
Our endoscopy segment consists of gastroenterology and pulmonology devices which assist in the palliative treatment of expanding esophageal, tracheobronchial and biliary strictures caused by malignant tumors. For the year ended December 31, 2023, we reported sales of $1.257 billion, up $106.4 million or 9.2%, compared to 2022 sales of $1.151 billion.
Our endoscopy segment consists of gastroenterology and pulmonology devices which assist in the palliative treatment of expanding esophageal, tracheobronchial and biliary strictures caused by malignant tumors. For the year ended December 31, 2024, we reported sales of $1.357 billion, up $99.1 million or 7.9%, compared to 2023 sales of $1.257 billion.
Effective Tax Rate Our provision for income taxes for the years ended December 31, 2023, 2022 and 2021 was a tax expense of $17.7 million, $8.1 million and $5.5 million, respectively, which resulted in an effective income tax rate of 15.8%, 9.8%, and 10.1%, respectively.
Effective Tax Rate Our provision for income taxes for the years ended December 31, 2024, 2023 and 2022 was a tax expense of $29.6 million, $17.7 million and $8.1 million, respectively, which resulted in an effective income tax rate of 19.8%, 15.8%, and 9.8%, respectively.
This increase was driven primarily by increased sales of our kits and critical care products , offset partially by decreased sales of trays. (d) OEM products, which increased by $19.5 million, or 13.5% from the corresponding period of 2022.
This increase was driven primarily by increased sales of our kits and critical care products , offset partially by decreased sales of trays. (d) OEM products, which increased by $12.8 million, or 7.8% from the corresponding period of 2023.
Cash flows provided by operating activities. We generated cash from operating activities of $145.2 million, $114.3 million and $147.2 million during the years ended December 31, 2023, 2022 and 2021, respectively. Net cash provided by operating activities increased $30.9 million for the year ended December 31, 2023 compared to the year ended December 31, 2022.
Cash flows provided by operating activities. We generated cash from operating activities of $220.8 million, $145.2 million and $114.3 million during the years ended December 31, 2024, 2023 and 2022, respectively. Net cash provided by operating activities increased $75.6 million for the year ended December 31, 2024 compared to the year ended December 31, 2023.
This increase was driven primarily by sales of our access, hemostasis, angiography, and cardiac rhythm management/electrophysiology (“CRM/EP”) products, partially offset by a decrease in sales of our intervention products. (c) Custom procedural solutions products, which increased by $5.1 million, or 2.7% from the corresponding period of 2022.
This increase was driven primarily by sales of our cardiac rhythm management/electrophysiology (“CRM/EP”), fluid management, and access products, partially offset by a decrease in sales of our hemostasis products. (c) Custom procedural solutions products, which increased by $5.9 million, or 3.0% from the corresponding period of 2023.
Geographic Sales Listed below are sales by geography for the years ended December 31, 2023, 2022, and 2021 (in thousands, other than percentage changes): % Change 2023 % Change 2022 % Change 2021 United States 11.7 % 726,989 6.8 % 650,559 10.7 % 608,878 International 6.0 % 530,377 7.4 % 500,422 12.6 % 465,873 Total 9.2 % $ 1,257,366 7.1 % $ 1,150,981 11.5 % $ 1,074,751 United States Sales: U.S. sales for the year ended December 31, 2023 were $727.0 million, or 57.8% of net sales, up 11.7% when compared to 2022.
Geographic Sales Listed below are sales by geography for the years ended December 31, 2024, 2023 and 2022 (in thousands, other than percentage changes): % Change 2024 % Change 2023 % Change 2022 United States 10.2 % 800,780 11.7 % 726,989 6.8 % 650,559 International 4.8 % 555,734 6.0 % 530,377 7.4 % 500,422 Total 7.9 % $ 1,356,514 9.2 % $ 1,257,366 7.1 % $ 1,150,981 United States Sales: U.S. sales for the year ended December 31, 2024 were $800.8 million, or 59.0% of net sales, up 10.2% when compared to 2023.
Cash flows used in investing activities. We used cash in investing activities of $175.3 million, $57.4 million, and $37.2 million for the years ended December 31, 2023, 2022 and 2021, respectively. We invested in capital expenditures for property and equipment of $34.3 million, $45.0 million, and $27.9 million for the years ended December 31, 2023, 2022 and 2021, respectively.
Cash flows used in investing activities. We used cash in investing activities of $368.7 million, $175.3 million, and $57.4 million for the years ended December 31, 2024, 2023 and 2022, respectively. We invested in capital expenditures for property and equipment of $35.1 million, $34.3 million, and $45.0 million for the years ended December 31, 2024, 2023 and 2022, respectively.
Our cardiovascular sales for the year ended December 31, 2023 were $1.221 billion, up 9.2%, when compared to the year ended December 31, 2022 of $1.118 billion. Sales for the year ended December 31, 2023 were favorably affected by increased sales of: (a) Peripheral intervention products, which increased by $62.4 million, or 14.2%, from the corresponding period of 2022.
Our cardiovascular sales for the year ended December 31, 2024 were $1.302 billion, up 6.7%, when compared to the year ended December 31, 2023 of $1.221 billion. Sales for the year ended December 31, 2024 were favorably affected by increased sales of: (a) Peripheral intervention products, which increased by $49.9 million, or 9.9%, from the corresponding period of 2023.
Cash outflows invested in acquisitions for the year ended December 31, 2023 were $138.3 million and were primarily related to payments required by our asset purchase agreements with AngioDynamics ($100 million), Bluegrass ($32.7 million), and ART ($1.5 million), and our transaction with Solo Pace ($4.0 million).
Cash outflows invested in acquisitions for the year ended December 31, 2023 were $134.5 million and were primarily related to payments required by our asset purchase agreements with AngioDynamics, Inc. ($100 million), Bluegrass Vascular Technologies, Inc. ($32.7 million) and ART ($1.5 million).
This increase was driven primarily by sales of our access, drainage, radar localization, and biopsy products. (b) Cardiac intervention products, which increased by $15.3 million, or 4.4%, from the corresponding period of 2022.
This increase was driven primarily by sales of our access, radar localization, delivery systems, and drainage products. (b) Cardiac intervention products, which increased by $12.5 million, or 3.5%, from the corresponding period of 2023.
The expense in each fiscal year relates to changes in the probability and timing of achieving certain revenue and operational milestones, as well as expense for the passage of time. Acquired In-process Research and Development .
The expense in each fiscal year relates to changes in the probability and timing of achieving certain revenue and operational milestones, as well as expense for the passage of time. Acquired In-process Research and Development . During the year ended December 31, 2024, we recognized no acquired in-process research and development costs.
Our cardiovascular operating income for the year ended December 31, 2023 was $114.4 million, compared to cardiovascular operating income of $80.9 million for the year ended December 31, 2022.
Our cardiovascular operating income for the year ended December 31, 2024 was $150.2 million, compared to cardiovascular operating income of $114.4 million for the year ended December 31, 2023.
The increase in our domestic sales in 2022 was driven primarily by our U.S. direct, sensors and OEM businesses. International Sales . International sales for the year ended December 31, 2023 were $530.4 million, or 42.2% of net sales, up 6.0% when compared to 2022.
The increase in our domestic sales in 2024 was driven primarily by our U.S. direct, OEM and endoscopy businesses. International Sales . International sales for the year ended December 31, 2024 were $555.7 million, or 41.0% of net sales, up 4.8% when compared to 2023.
Gross profit as a percentage of sales was 46.4% for the year ended December 31, 2023 as compared to 45.1% for the year ended December 31, 2022. Net income for the year ended December 31, 2023 was $94.4 million, or $1.62 per share, as compared to $74.5 million, or $1.29 per share, for the year ended December 31, 2022.
Gross profit as a percentage of sales was 47.4% for the year ended December 31, 2024 as compared to 46.4% for the year ended December 31, 2023. Net income for the year ended December 31, 2024 was $120.4 million, or $2.03 per share, as compared to $94.4 million, or $1.62 per share, for the year ended December 31, 2023.
Operating Income Our operating profit by operating segment for the years ended December 31, 2023, 2022 and 2021 was as follows (in thousands): Operating Income 2023 2022 2021 Cardiovascular $ 114,440 $ 80,946 $ 53,415 Endoscopy 9,504 6,617 7,501 Total operating income $ 123,944 $ 87,563 $ 60,916 Cardiovascular Operating Income.
Operating Income Our operating profit by operating segment for the years ended December 31, 2024, 2023 and 2022 was as follows (in thousands): Operating Income 2024 2023 2022 Cardiovascular $ 150,150 $ 114,440 $ 80,946 Endoscopy 5,543 9,504 6,617 Total operating income $ 155,693 $ 123,944 $ 87,563 Cardiovascular Operating Income.
As of December 31, 2023, we had outstanding borrowings of $846.6 million and issued letter of credit guarantees of $2.7 million, with additional available borrowings of approximately $626 million under the Fourth Amended Credit Agreement, based on the leverage ratio required pursuant to the Fourth Amended Credit Agreement.
As of December 31, 2024, we had outstanding borrowings of $747.5 million and issued letter of credit guarantees of $2.9 million, with additional available borrowings of approximately $697 million under the Amended Fourth A&R Credit Agreement, based on the leverage ratio required pursuant to the Amended Fourth A&R Credit Agreement.
The increase in other expense for 2023 compared to 2022 was principally the result of an increase in interest expense associated with increased borrowings under our Credit Agreement, issuance of convertible debt and rising interest rates, partially offset by an increase in interest income associated with an increase in cash and cash equivalents.
The decrease in other expense for 2024 compared to 2023 was principally the result of an increase in interest income associated with and increased cash and cash equivalents and reduced borrowings under the Amended Fourth A&R Credit Agreement, partially offset by interest expense associated with outstanding convertible debt.
Our revenue results for the year ended December 31, 2023 were driven primarily by stronger-than-anticipated demand in the U.S. and more favorable than anticipated international sales trends, particularly in the EMEA and “Rest of World” (“ROW”) regions.
Our revenue results for the year ended December 31, 2024 were driven primarily by demand in the U.S. and favorable international sales trends, particularly in Europe, the Middle East and Africa (“EMEA”) and in the “Rest of World” (“ROW”) regions.
Our endoscopy operating income for the year ended December 31, 2022 was $6.6 million, compared to operating income of $7.5 million for the year ended December 31, 2021.
Our endoscopy operating income for the year ended December 31, 2024 was $5.5 million, compared to operating income of $9.5 million for the year ended December 31, 2023.
The increase in gross profit as a percentage of sales for 2023, as compared to 2022, was primarily due to increased sales combined with changes in standard costs and product mix, lower freight expenses due to focus on increasing ocean freight and lowering air shipments, partially offset by higher royalty costs associated with sales and higher intangible amortization expense as a percentage of sales associated with acquisitions.
The increase in gross profit as a percentage of sales for 2024, as compared to 2023, was primarily due to increased sales combined with favorable changes in standard costs and product mix, partially offset by higher intangible amortization expense as a percentage of sales associated with acquisitions. Operating Expenses Selling, General and Administrative Expenses .
The increase in our international sales during 2023 was primarily a result of higher sales in EMEA, which increased $18.0 million or 8.3%, higher rest of world sales which increased $7.0 million or 16.6%, and higher sales in APAC, which increased $4.9 million or 2.1%, compared to the corresponding period of 2022.
The increase in our international sales during 2024 was primarily a result of higher sales in EMEA, which increased $11.2 million or 4.8%, higher ROW sales which increased $8.9 million or 18.1%, and higher sales in our Asia Pacific region, which increased $5.3 million or 2.1%, compared to the corresponding period of 2023.
See Note 15 to our consolidated financial statements set forth in Item 8 of this report for additional details regarding our contingent liabilities. 47 Table of Contents
See Note 5 Goodwill and Intangible Assets to our consolidated financial statements set forth in Item 8 of this report for additional details regarding impairments of intangible assets. 45 Table of Contents
This increase was driven primarily by sales of our access, angiography, fluid management, intervention, coating products and kits, partially offset by a decrease in sales of our CRM/EP products.
This increase was driven primarily by sales of our access, vertebral compression fracture, and fluid management products as well as our kits, partially offset by a decrease in sales of our CRM/EP products. 40 Table of Contents Endoscopy Sales.
The increase in net income for 2023, when compared to 2022, was primarily related to higher sales, higher gross margin as a percentage of sales, decreased impairment charges ($270 thousand in 2023 compared to $2.2 million in 2022), decreased contingent consideration expense ($1.7 million in 2023 compared to $4.6 million in 2022), decreased acquired in-process research and development expense ($1.6 million in 2023 compared to $6.7 million in 2022); partially offset by higher SG&A and R&D expenses .
This increase in cardiovascular operating income was primarily related to higher sales and gross profit, decreased acquired in-process research and development charges, and decreased contingent consideration expense ($0.4 million in 2024 compared to $1.7 million in 2023), partially offset by higher SG&A and R&D expenses. Endoscopy Operating Income.
Dollar. Foreign currency exchange rate fluctuations, calculated by using the applicable average foreign exchange rates for the prior year decreased sales (0.5)% for the year ended December 31, 2023 compared to 2022 and decreased sales (2.2)% for the year ended December 31, 2022 compared to 2021.
Our international sales are subject to foreign currency exchange rate fluctuations between the natural currency of a foreign country and the U.S. Dollar. Foreign currency exchange rate fluctuations, calculated by using the applicable average foreign exchange rates for the prior year decreased sales (0.6)% for the year ended December 31, 2024 compared to 2023.
Cash outflows invested in acquisitions for the year ended December 31, 2022 were $8.3 million and were primarily related to our $3.0 million upfront payment in our purchase of Restore Endosystems, our $2.5 million payment in our purchase of BioTrace Medical, Inc., and our additional equity investment in FluidX Medical Technology, Inc. (“Fluidx”) of $1.4 million.
Cash outflows invested in acquisitions for the year ended December 31, 2022 were $6.9 million and were primarily related to our $3.0 million upfront payment in our purchase of Restore Endosystems LLC and our $2.5 million payment in our purchase of BioTrace Medical, Inc. 43 Table of Contents Cash flows provided by (used in) financing activities.
The increase in net income for 2022, when compared to 2021, was primarily related to higher sales, decreased legal settlement costs primarily due to the $10.0 million settlement in 2021 in connection with an agreement in principle to settle a securities class action lawsuit, and decreased impairment charges ($2.2 million in 2022 compared to $4.3 million in 2021); partially offset by higher SG&A expenses due to higher labor-related and travel costs , as well as increased contingent consideration expense of $4.6 million in 2022 compared to $3.2 million in 2021 . 43 Table of Contents Liquidity and Capital Resources Capital Commitments and Contractual Obligations Our most significant contractual obligations as of December 31, 2023 included total long-term debt obligations of $846.6 million, of which $0.0 million is recorded in current liabilities, interest payments on this debt, contingent consideration liabilities of $3.4 million, of which $0.4 million is recorded in current liabilities, and operating lease liabilities of $68.3 million, of which $12.1 million is recorded in current liabilities.
The increase in net income for 2024, when compared to 2023, was primarily related to higher sales, higher gross margin as a percentage of sales, decreased contingent consideration expense ($0.4 million in 2024 compared to $1.7 million in 2023), decreased acquired in-process research and development expense ($0 in 2024 compared to $1.6 million in 2023) and decreased other expenses; partially offset by higher SG&A, R&D, and income tax expense . 42 Table of Contents Liquidity and Capital Resources Capital Commitments and Contractual Obligations Our most significant contractual obligations as of December 31, 2024 included total long-term debt obligations of $747.5 million, interest payments on this debt, contingent consideration liabilities of $3.5 million, of which $0.4 million is recorded in current liabilities, and operating lease liabilities of $65.1 million, of which $10.3 million is recorded in current liabilities.
In the event we pursue and complete significant transactions or acquisitions in the future, additional funds may be required to meet our strategic needs, which may require us to raise additional funds in the debt or equity markets. 45 Table of Contents Critical Accounting Policies and Estimates Our significant accounting policies are summarized in Note 1 to our consolidated financial statements set forth in Item 8 of this report.
In the event we pursue and complete significant transactions or acquisitions in the future, additional funds may be required to meet our strategic needs, which may require us to raise additional funds in the debt or equity markets.
The increase in R&D expenses for the year ended December 31, 2023 compared to the year ended December 31, 2022 was primarily related to labor-related costs consistent with an increase in headcount and an increase in regulatory expense and costs for clinical trials.
The increase in R&D expenses for the year ended December 31, 2024 compared to the year ended December 31, 2023 was primarily related to labor-related costs consistent with an increase in headcount and an increase materials and scrap utilized in R&D, partially offset by lower regulatory costs related to Medical Device Rgulation in the E.U. Impairment Charges .
Endoscopy Sales. Our endoscopy sales for the year ended December 31, 2023 were $36.8 million, up 12.4%, when compared to sales for the year ended December 31, 2022 of $32.8 million.
Our endoscopy sales for the year ended December 31, 2024 were $54.8 million, up 48.8%, when compared to sales for the year ended December 31, 2023 of $36.8 million. Sales for the year ended December 31, 2024 were favorably affected by sales of our recently-acquired EsophyX® Z+ Device.
Operating Expenses Selling, General and Administrative Expenses . Our selling, general and administrative (“SG&A”) expenses increased $31.2 million, or 9.1%, for the year ended December 31, 2023 compared to 2022 and increased $6.8 million, or 2.0%, for the year ended December 31, 2022 compared to 2021.
Our selling, general and administrative (“SG&A”) expenses as a percentage of sales were 29.5%, 29.7% and 29.8% for the years ended December 31, 2024, 2023 and 2022, respectively. SG&A expenses increased $26.1 million, or 7.0%, for the year ended December 31, 2024 compared to 2023.
In-process technology intangible assets, which are not subject to amortization until projects reach commercialization, are assessed for impairment at least annually and more frequently if events occur that would indicate a potential reduction in the fair value of the assets below their carrying value. 46 Table of Contents During the years ended December 31, 2022 and 2021, we identified indicators of impairment associated with certain acquired intangible assets within the asset groups based on our qualitative assessment.
This analysis requires similar significant judgments as those discussed above regarding goodwill. In-process technology intangible assets, which are not subject to amortization until projects reach commercialization, are assessed for impairment at least annually and more frequently if events occur that would indicate a potential reduction in the fair value of the assets below their carrying value.
The increase in the effective income tax rate for 2023 compared to 2022 was primarily the result of decreased benefit from items such as stock-based compensation, the foreign-derived intangible income (FDII) deduction, as well as the foreign tax credits being utilized.
The increase in the effective income tax rate for 2024 compared to 2023 was primarily the result of decreased benefit from items such as stock-based compensation and foreign tax credit utilization. Net Income Our net income for the years ended December 31, 2024, 2023 and 2022 was $120.4 million, $94.4 million, and $74.5 million, respectively.
The increase in inventory was principally associated with our strategy to proactively invest in our inventory balances to encourage high customer service levels, as well as to build bridge inventory for production line transfers and increases in safety stock due to vendor supply delays . ● Cash provided by (used for) accounts payable was $(7.3) million and $12.7 million for the years ended December 31, 2023 and 2022, respectively, primarily due to an increase in operating expenses and changes in the timing of vendor payments. ● Cash paid for income taxes was $31.5 million and $17.1 million for the years ended December 31, 2023 and 2022, respectively, primarily due to increases in income before tax.
Significant changes in operating assets and liabilities affecting cash flows during these years included: ● Net income was $120.4 million and $94.4 million for the years ended December 31, 2024 and 2023, respectively. ● Cash used for inventories was $2.3 million and $32.1 million for the years ended December 31, 2024 and 2023, respectively due primarily to efforts to normalize inventory levels following prior year investments to build bridge inventory for production line transfers and increases in safety stock due to vendor supply delays. ● Cash provided by (used for) accrued expenses was $9.7 million and $(2.5) million for the years ended December 31, 2024 and 2023, respectively, primarily due to an increase in accrued interest and the associated expense related to our convertible debt. ● Cash paid for income taxes was $45.0 million and $31.5 million for the years ended December 31, 2024 and 2023, respectively, primarily due to increases in income before tax.
The increase in SG&A expenses for the year ended December 31, 2023 compared to the year ended December 31, 2022 was primarily related to increased labor-related costs associated with an increase in headcount and higher variable compensation linked to company performance, increase in loss for disposal of equipment associated with restructuring, higher travel related expenses as restrictions from the pandemic continued to decline, and an increase in depreciation and amortization associated with acquisitions .
The increase in SG&A expenses for the year ended December 31, 2024 compared to the year ended December 31, 2023 was primarily related to increased labor-related costs associated with an increase in headcount and higher variable compensation linked to company performance, an increase of stock-based compensation expense associated with new equity grants and variability in our stock price, and an increase in travel related costs associated with our sales and marketing activities, partially offset by a decrease in consulting costs primarily associated with our Foundations for Growth Program which ended in 2023.
During the years ended December 31, 2022 and 2021, we recorded total impairment charges associated with intangible assets in our cardiovascular segment of $1.7 million and $1.6 million, respectively. We did not have any impairments for the year ended December 31, 2023. These expenses are reflected within impairment charges in our consolidated statements of income.
We did not have any goodwill or intangible asset impairments for the years ended December 31, 2024 and 2023. These expenses are reflected within impairment charges in our consolidated statements of income. The primary factors driving impairment of certain intangible assets were planned closure and restructuring activities and uncertainty about future product development and commercialization associated with certain acquired technologies.
Endoscopy Operating Income. Our endoscopy operating income for the year ended December 31, 2023 was $9.5 million, compared to operating income of $6.6 million for the year ended December 31, 2022. This increase in endoscopy operating income relative to 2022 was primarily due to higher sales and gross profit, partially offset by higher SG&A expenses.
This decrease in endoscopy operating income relative to 2023 was primarily due to higher SG&A expense associated with the acquisition and integration of operations acquired from EGS and higher R&D expenses, partially offset by higher sales.
Cash flows provided by (used in) financing activities. Cash provided by (used in) financing activities for the years ended December 31, 2023, 2022 and 2021 was $559.3 million, $(60.3) million, and $(98.4) million, respectively.
Cash (used in) provided by financing activities for the years ended December 31, 2024, 2023 and 2022 was $(60.0) million, $559.3 million, and $(60.3) million, respectively. In 2024 we decreased our net borrowings under our Amended Fourth A&R Credit Agreement by $99.1 million and had cash proceeds from the issuance of common stock of $40.9 million.
Our interest rate as of December 31, 2022 was a fixed rate of 2.71% on $75 million as a result of an interest rate swap and a variable floating rate of 5.38% on $123.2 million.
Our interest rate as of December 31, 2024 was a fixed rate of 3.0% on our Convertible Notes.
Cash outflows invested in acquisitions for the year ended December 31, 2021 were $7.2 million and were primarily related to $4.1 million for the settlement of deferred payments and the working capital adjustment associated with our acquisition of KA Medical, LLC (“KA Medical”) completed in November 2020 and $2.7 million for an equity investment in Fluidx .
Cash outflows invested in acquisitions and other equity investments for the year ended December 31, 2024 were $320.2 million and were primarily related to payments required by our asset purchase agreements with Cook Medical Holdings LLC ($210.0 million), Endogastric Solutions, Inc. ($105.0 million) and Scholten Surgical Instruments, Inc. ($3.0 million).