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Side-by-side financial comparison of NATURAL ALTERNATIVES INTERNATIONAL INC (NAII) and Usio, Inc. (USIO). Click either name above to swap in a different company.

NATURAL ALTERNATIVES INTERNATIONAL INC is the larger business by last-quarter revenue ($34.8M vs $22.2M, roughly 1.6× Usio, Inc.). Usio, Inc. runs the higher net margin — -6.7% vs -7.3%, a 0.6% gap on every dollar of revenue. On growth, Usio, Inc. posted the faster year-over-year revenue change (8.2% vs 2.1%). Usio, Inc. produced more free cash flow last quarter ($1.1M vs $-7.3M). Over the past eight quarters, NATURAL ALTERNATIVES INTERNATIONAL INC's revenue compounded faster (17.7% CAGR vs 3.0%).

Natural Alternatives International, Inc. (NAI) is an American company based in Carlsbad, California which manufactures nutritional supplements such as Juice Plus. NAI was founded in 1980 by Mark A. LeDoux, and had 241 employees in 2007. NAI's manufacturing facilities are located in Vista, California, Switzerland and Japan.

Usio, Inc. is an American financial technology company headquartered in San Antonio, Texas. It provides integrated electronic payment services, including ACH processing, credit card and debit card acceptance, payment facilitation for software platforms, prepaid card issuing and a document print and mail operation.

NAII vs USIO — Head-to-Head

Bigger by revenue
NAII
NAII
1.6× larger
NAII
$34.8M
$22.2M
USIO
Growing faster (revenue YoY)
USIO
USIO
+6.1% gap
USIO
8.2%
2.1%
NAII
Higher net margin
USIO
USIO
0.6% more per $
USIO
-6.7%
-7.3%
NAII
More free cash flow
USIO
USIO
$8.3M more FCF
USIO
$1.1M
$-7.3M
NAII
Faster 2-yr revenue CAGR
NAII
NAII
Annualised
NAII
17.7%
3.0%
USIO

Income Statement — Q2 FY2026 vs Q4 FY2025

Metric
NAII
NAII
USIO
USIO
Revenue
$34.8M
$22.2M
Net Profit
$-2.6M
$-1.5M
Gross Margin
7.2%
21.9%
Operating Margin
-5.3%
-5.7%
Net Margin
-7.3%
-6.7%
Revenue YoY
2.1%
8.2%
Net Profit YoY
-16.5%
-337.8%
EPS (diluted)
$-0.42
$-0.05

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
NAII
NAII
USIO
USIO
Q4 25
$34.8M
$22.2M
Q3 25
$37.7M
$21.2M
Q2 25
$33.9M
$20.0M
Q1 25
$28.8M
$22.0M
Q4 24
$34.1M
$20.6M
Q3 24
$33.1M
$21.3M
Q2 24
$29.5M
$20.1M
Q1 24
$25.1M
$21.0M
Net Profit
NAII
NAII
USIO
USIO
Q4 25
$-2.6M
$-1.5M
Q3 25
$-291.0K
$-415.1K
Q2 25
$-7.2M
$-366.7K
Q1 25
$-2.2M
$-235.0K
Q4 24
$-2.2M
$628.9K
Q3 24
$-2.0M
$2.9M
Q2 24
$-1.9M
$75.5K
Q1 24
$-1.6M
$-250.2K
Gross Margin
NAII
NAII
USIO
USIO
Q4 25
7.2%
21.9%
Q3 25
11.7%
23.0%
Q2 25
10.4%
25.8%
Q1 25
6.3%
21.9%
Q4 24
4.9%
24.6%
Q3 24
6.8%
23.0%
Q2 24
4.8%
23.9%
Q1 24
7.6%
23.1%
Operating Margin
NAII
NAII
USIO
USIO
Q4 25
-5.3%
-5.7%
Q3 25
0.8%
-2.2%
Q2 25
-5.7%
-2.0%
Q1 25
-7.3%
-1.1%
Q4 24
-8.2%
-2.9%
Q3 24
-5.5%
-1.8%
Q2 24
-8.6%
-1.0%
Q1 24
-7.8%
-1.3%
Net Margin
NAII
NAII
USIO
USIO
Q4 25
-7.3%
-6.7%
Q3 25
-0.8%
-2.0%
Q2 25
-21.3%
-1.8%
Q1 25
-7.6%
-1.1%
Q4 24
-6.4%
3.1%
Q3 24
-6.0%
13.4%
Q2 24
-6.4%
0.4%
Q1 24
-6.3%
-1.2%
EPS (diluted)
NAII
NAII
USIO
USIO
Q4 25
$-0.42
$-0.05
Q3 25
$-0.05
$-0.02
Q2 25
$-1.21
$-0.01
Q1 25
$-0.37
$-0.01
Q4 24
$-0.37
$0.03
Q3 24
$-0.33
$0.10
Q2 24
$-0.32
$0.00
Q1 24
$-0.27
$-0.01

Balance Sheet & Financial Strength

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

Metric
NAII
NAII
USIO
USIO
Cash + ST InvestmentsLiquidity on hand
$3.8M
$7.4M
Total DebtLower is stronger
$1.4M
Stockholders' EquityBook value
$67.0M
$17.9M
Total Assets
$153.3M
$134.9M
Debt / EquityLower = less leverage
0.08×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NAII
NAII
USIO
USIO
Q4 25
$3.8M
$7.4M
Q3 25
$7.7M
$7.7M
Q2 25
$12.3M
$8.1M
Q1 25
$10.6M
$8.7M
Q4 24
$8.7M
$8.1M
Q3 24
$10.2M
$8.4M
Q2 24
$12.0M
$7.2M
Q1 24
$12.4M
$7.1M
Total Debt
NAII
NAII
USIO
USIO
Q4 25
$1.4M
Q3 25
$836.7K
Q2 25
$647.1K
Q1 25
$683.3K
Q4 24
$719.4K
Q3 24
$562.9K
Q2 24
$597.2K
Q1 24
$630.9K
Stockholders' Equity
NAII
NAII
USIO
USIO
Q4 25
$67.0M
$17.9M
Q3 25
$69.0M
$18.7M
Q2 25
$68.4M
$18.7M
Q1 25
$76.6M
$19.0M
Q4 24
$79.1M
$19.2M
Q3 24
$80.2M
$18.9M
Q2 24
$82.6M
$15.7M
Q1 24
$84.1M
$15.3M
Total Assets
NAII
NAII
USIO
USIO
Q4 25
$153.3M
$134.9M
Q3 25
$156.9M
$99.4M
Q2 25
$151.9M
$108.4M
Q1 25
$154.9M
$109.6M
Q4 24
$156.1M
$107.2M
Q3 24
$161.3M
$114.6M
Q2 24
$162.3M
$108.8M
Q1 24
$153.2M
$99.1M
Debt / Equity
NAII
NAII
USIO
USIO
Q4 25
0.08×
Q3 25
0.04×
Q2 25
0.03×
Q1 25
0.04×
Q4 24
0.04×
Q3 24
0.03×
Q2 24
0.04×
Q1 24
0.04×

Cash Flow & Capital Efficiency

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

Metric
NAII
NAII
USIO
USIO
Operating Cash FlowLast quarter
$-6.3M
$1.5M
Free Cash FlowOCF − Capex
$-7.3M
$1.1M
FCF MarginFCF / Revenue
-20.9%
4.8%
Capex IntensityCapex / Revenue
2.7%
2.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-5.2M
$1.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NAII
NAII
USIO
USIO
Q4 25
$-6.3M
$1.5M
Q3 25
$-4.0M
$303.8K
Q2 25
$3.3M
$-263.9K
Q1 25
$6.0M
$1.4M
Q4 24
$37.0K
$2.9M
Q3 24
$-3.4M
$1.4M
Q2 24
$-2.7M
$369.1K
Q1 24
$-3.6M
$88.7K
Free Cash Flow
NAII
NAII
USIO
USIO
Q4 25
$-7.3M
$1.1M
Q3 25
$-5.1M
$85.2K
Q2 25
$1.9M
$-503.2K
Q1 25
$5.2M
$1.1M
Q4 24
$-1.0M
$2.7M
Q3 24
$-3.7M
$1.4M
Q2 24
$-3.8M
$246.3K
Q1 24
$-3.9M
$-88.1K
FCF Margin
NAII
NAII
USIO
USIO
Q4 25
-20.9%
4.8%
Q3 25
-13.4%
0.4%
Q2 25
5.6%
-2.5%
Q1 25
18.0%
4.8%
Q4 24
-3.0%
13.1%
Q3 24
-11.3%
6.4%
Q2 24
-12.7%
1.2%
Q1 24
-15.5%
-0.4%
Capex Intensity
NAII
NAII
USIO
USIO
Q4 25
2.7%
2.0%
Q3 25
2.7%
1.0%
Q2 25
4.3%
1.2%
Q1 25
2.8%
1.4%
Q4 24
3.1%
1.0%
Q3 24
0.9%
0.3%
Q2 24
3.5%
0.6%
Q1 24
1.1%
0.8%
Cash Conversion
NAII
NAII
USIO
USIO
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
4.61×
Q3 24
0.50×
Q2 24
4.89×
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

NAII
NAII

Private Label Contract Manufacturing$32.8M94%
Patent And Trademark Licensing$2.0M6%

USIO
USIO

Credit Card Revenue$7.7M35%
ACH And Complementary Service Revenue$6.1M28%
Output Solutions$5.4M24%
Prepaid Card Services Revenue$2.6M12%

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