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Side-by-side financial comparison of Professional Diversity Network, Inc. (IPDN) and LIQTECH INTERNATIONAL INC (LIQT). Click either name above to swap in a different company.

LIQTECH INTERNATIONAL INC is the larger business by last-quarter revenue ($3.1M vs $1.7M, roughly 1.9× Professional Diversity Network, Inc.). LIQTECH INTERNATIONAL INC runs the higher net margin — -83.0% vs -173.5%, a 90.5% gap on every dollar of revenue. On growth, Professional Diversity Network, Inc. posted the faster year-over-year revenue change (3.1% vs -8.2%). Professional Diversity Network, Inc. produced more free cash flow last quarter ($1.4M vs $-2.3M). Over the past eight quarters, Professional Diversity Network, Inc.'s revenue compounded faster (-1.7% CAGR vs -14.1%).

Professional Diversity Network, Inc. is a U.S.-based firm offering end-to-end diversity, equity and inclusion (DEI) solutions for corporate clients. Its services include targeted recruitment support for underrepresented talent groups, customized DEI training programs, and diversity performance data analytics, serving clients across tech, healthcare, finance and other core commercial sectors nationwide.

Liqtech International Inc. is a technology firm specializing in the development, production and distribution of advanced silicon carbide membrane filtration and purification solutions. Its products serve sectors including maritime, industrial wastewater treatment, food and beverage, and renewable energy, with key markets covering North America, Europe and the Asia-Pacific region.

IPDN vs LIQT — Head-to-Head

Bigger by revenue
LIQT
LIQT
1.9× larger
LIQT
$3.1M
$1.7M
IPDN
Growing faster (revenue YoY)
IPDN
IPDN
+11.3% gap
IPDN
3.1%
-8.2%
LIQT
Higher net margin
LIQT
LIQT
90.5% more per $
LIQT
-83.0%
-173.5%
IPDN
More free cash flow
IPDN
IPDN
$3.7M more FCF
IPDN
$1.4M
$-2.3M
LIQT
Faster 2-yr revenue CAGR
IPDN
IPDN
Annualised
IPDN
-1.7%
-14.1%
LIQT

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
IPDN
IPDN
LIQT
LIQT
Revenue
$1.7M
$3.1M
Net Profit
$-2.9M
$-2.6M
Gross Margin
33.7%
-3.4%
Operating Margin
-173.2%
-85.8%
Net Margin
-173.5%
-83.0%
Revenue YoY
3.1%
-8.2%
Net Profit YoY
-280.0%
13.7%
EPS (diluted)

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
IPDN
IPDN
LIQT
LIQT
Q4 25
$1.7M
$3.1M
Q3 25
$1.7M
$3.8M
Q2 25
$1.6M
$5.0M
Q1 25
$1.5M
$4.6M
Q4 24
$1.6M
$3.4M
Q3 24
$1.7M
$2.5M
Q2 24
$1.7M
$4.5M
Q1 24
$1.7M
$4.2M
Net Profit
IPDN
IPDN
LIQT
LIQT
Q4 25
$-2.9M
$-2.6M
Q3 25
$-2.4M
$-1.4M
Q2 25
$-476.0K
$-2.2M
Q1 25
$-722.1K
$-2.4M
Q4 24
$-761.9K
$-3.0M
Q3 24
$-405.0K
$-2.8M
Q2 24
$-553.1K
$-2.1M
Q1 24
$-791.8K
$-2.4M
Gross Margin
IPDN
IPDN
LIQT
LIQT
Q4 25
33.7%
-3.4%
Q3 25
44.0%
19.6%
Q2 25
43.4%
9.8%
Q1 25
52.2%
2.7%
Q4 24
58.6%
-15.5%
Q3 24
58.9%
-8.5%
Q2 24
62.9%
16.0%
Q1 24
62.2%
6.4%
Operating Margin
IPDN
IPDN
LIQT
LIQT
Q4 25
-173.2%
-85.8%
Q3 25
-136.3%
-35.0%
Q2 25
-30.2%
-42.6%
Q1 25
-46.9%
-47.3%
Q4 24
-36.8%
-81.2%
Q3 24
-25.0%
-104.5%
Q2 24
-34.4%
-46.5%
Q1 24
-46.5%
-48.3%
Net Margin
IPDN
IPDN
LIQT
LIQT
Q4 25
-173.5%
-83.0%
Q3 25
-136.2%
-37.6%
Q2 25
-29.0%
-43.4%
Q1 25
-48.0%
-50.9%
Q4 24
-47.1%
-88.2%
Q3 24
-23.9%
-114.6%
Q2 24
-32.7%
-47.1%
Q1 24
-45.9%
-56.4%

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
IPDN
IPDN
LIQT
LIQT
Cash + ST InvestmentsLiquidity on hand
$217.0K
$5.1M
Total DebtLower is stronger
Stockholders' EquityBook value
$11.7M
$10.4M
Total Assets
$17.9M
$27.3M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IPDN
IPDN
LIQT
LIQT
Q4 25
$217.0K
$5.1M
Q3 25
$265.3K
Q2 25
$125.1K
Q1 25
$496.4K
Q4 24
$1.7M
Q3 24
$133.7K
$4.5M
Q2 24
$619.3K
$5.5M
Q1 24
$97.1K
$7.7M
Stockholders' Equity
IPDN
IPDN
LIQT
LIQT
Q4 25
$11.7M
$10.4M
Q3 25
$8.9M
$12.8M
Q2 25
$4.5M
$13.9M
Q1 25
$4.9M
$15.1M
Q4 24
$5.3M
$16.7M
Q3 24
$2.1M
$11.4M
Q2 24
$2.5M
$12.3M
Q1 24
$2.3M
$14.5M
Total Assets
IPDN
IPDN
LIQT
LIQT
Q4 25
$17.9M
$27.3M
Q3 25
$12.1M
$30.3M
Q2 25
$7.3M
$31.7M
Q1 25
$7.7M
$31.7M
Q4 24
$8.0M
$32.4M
Q3 24
$5.3M
$28.7M
Q2 24
$5.8M
$28.6M
Q1 24
$5.7M
$31.4M

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
IPDN
IPDN
LIQT
LIQT
Operating Cash FlowLast quarter
$1.4M
$-2.1M
Free Cash FlowOCF − Capex
$1.4M
$-2.3M
FCF MarginFCF / Revenue
84.4%
-73.5%
Capex IntensityCapex / Revenue
0.0%
5.3%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-6.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IPDN
IPDN
LIQT
LIQT
Q4 25
$1.4M
$-2.1M
Q3 25
$-2.7M
$-1.1M
Q2 25
$-495.5K
$-1.6M
Q1 25
$-284.1K
$-1.3M
Q4 24
$-1.2M
$-2.0M
Q3 24
$-556.9K
$-1.7M
Q2 24
$-224.4K
$-1.8M
Q1 24
$-543.1K
$-2.0M
Free Cash Flow
IPDN
IPDN
LIQT
LIQT
Q4 25
$1.4M
$-2.3M
Q3 25
$-2.7M
$-1.2M
Q2 25
$-499.5K
$-1.7M
Q1 25
$-1.5M
Q4 24
$-1.2M
$-2.4M
Q3 24
$-558.9K
$-2.1M
Q2 24
$-225.9K
$-2.0M
Q1 24
$-543.6K
$-2.3M
FCF Margin
IPDN
IPDN
LIQT
LIQT
Q4 25
84.4%
-73.5%
Q3 25
-156.8%
-31.4%
Q2 25
-30.4%
-33.7%
Q1 25
-31.6%
Q4 24
-74.0%
-70.3%
Q3 24
-33.0%
-85.3%
Q2 24
-13.4%
-45.6%
Q1 24
-31.5%
-55.4%
Capex Intensity
IPDN
IPDN
LIQT
LIQT
Q4 25
0.0%
5.3%
Q3 25
0.0%
3.3%
Q2 25
0.2%
1.2%
Q1 25
0.0%
3.5%
Q4 24
1.3%
11.5%
Q3 24
0.1%
14.7%
Q2 24
0.1%
5.0%
Q1 24
0.0%
9.2%

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

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