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Side-by-side financial comparison of ClearSign Technologies Corp (CLIR) and DATA I/O CORP (DAIO). Click either name above to swap in a different company.
DATA I/O CORP is the larger business by last-quarter revenue ($4.0M vs $3.7M, roughly 1.1× ClearSign Technologies Corp). ClearSign Technologies Corp runs the higher net margin — -8.5% vs -69.0%, a 60.6% gap on every dollar of revenue. On growth, ClearSign Technologies Corp posted the faster year-over-year revenue change (522.2% vs -23.2%). Over the past eight quarters, ClearSign Technologies Corp's revenue compounded faster (82.5% CAGR vs -19.2%).
ClearSign Technologies Corporation (ClearSign) is a United States-based company that develops emission-control technology.
Data I/O Corporation is a provider of manual and automated data programming and security provisioning systems for flash memory, microcontrollers, and logic devices. Founded in 1969 and incorporated in 1972, the company developed equipment that allowed electronic designers to program non-volatile semiconductor devices with data stored on punched cards or ASCII-encoded (eight-level) punched paper tape. These products were used for the design and manufacturing of systems used in industries such ...
CLIR vs DAIO — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $3.7M | $4.0M |
| Net Profit | $-311.0K | $-2.8M |
| Gross Margin | 21.9% | 43.0% |
| Operating Margin | -22.5% | -62.8% |
| Net Margin | -8.5% | -69.0% |
| Revenue YoY | 522.2% | -23.2% |
| Net Profit YoY | 73.3% | -132.7% |
| EPS (diluted) | $-0.06 | $-0.29 |
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.
| Q4 25 | $3.7M | $4.0M | ||
| Q3 25 | $1.0M | $5.4M | ||
| Q2 25 | $133.0K | $5.9M | ||
| Q1 25 | $401.0K | $6.2M | ||
| Q4 24 | $590.0K | $5.2M | ||
| Q3 24 | $1.9M | $5.4M | ||
| Q2 24 | $45.0K | $5.1M | ||
| Q1 24 | $1.1M | $6.1M |
| Q4 25 | $-311.0K | $-2.8M | ||
| Q3 25 | $-1.4M | $-1.4M | ||
| Q2 25 | $-1.7M | $-742.0K | ||
| Q1 25 | $-2.1M | $-382.0K | ||
| Q4 24 | $-1.2M | $-1.2M | ||
| Q3 24 | $-1.2M | $-307.0K | ||
| Q2 24 | $-1.9M | $-797.0K | ||
| Q1 24 | $-1.1M | $-807.0K |
| Q4 25 | 21.9% | 43.0% | ||
| Q3 25 | 35.8% | 50.7% | ||
| Q2 25 | 41.4% | 49.8% | ||
| Q1 25 | 48.9% | 51.6% | ||
| Q4 24 | 14.9% | 52.2% | ||
| Q3 24 | 29.6% | 53.9% | ||
| Q2 24 | 93.3% | 54.5% | ||
| Q1 24 | 39.7% | 52.8% |
| Q4 25 | -22.5% | -62.8% | ||
| Q3 25 | -170.1% | -25.8% | ||
| Q2 25 | -1382.0% | -14.2% | ||
| Q1 25 | -562.8% | -6.1% | ||
| Q4 24 | -282.4% | -24.8% | ||
| Q3 24 | -77.1% | -6.0% | ||
| Q2 24 | -4748.9% | -11.2% | ||
| Q1 24 | -113.6% | -14.1% |
| Q4 25 | -8.5% | -69.0% | ||
| Q3 25 | -138.9% | -25.3% | ||
| Q2 25 | -1263.2% | -12.5% | ||
| Q1 25 | -517.7% | -6.2% | ||
| Q4 24 | -197.3% | -22.8% | ||
| Q3 24 | -62.1% | -5.7% | ||
| Q2 24 | -4160.0% | -15.7% | ||
| Q1 24 | -100.5% | -13.2% |
| Q4 25 | $-0.06 | $-0.29 | ||
| Q3 25 | $-0.26 | $-0.15 | ||
| Q2 25 | $-0.30 | $-0.08 | ||
| Q1 25 | $-0.37 | $-0.04 | ||
| Q4 24 | $-0.18 | $-0.13 | ||
| Q3 24 | $-0.20 | $-0.03 | ||
| Q2 24 | $-0.40 | $-0.09 | ||
| Q1 24 | $-0.30 | $-0.09 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $9.2M | — |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $9.5M | $13.5M |
| Total Assets | $12.2M | $20.2M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $9.2M | — | ||
| Q3 25 | $10.5M | — | ||
| Q2 25 | $12.3M | — | ||
| Q1 25 | $12.9M | — | ||
| Q4 24 | $14.0M | — | ||
| Q3 24 | $14.5M | — | ||
| Q2 24 | $16.0M | — | ||
| Q1 24 | $4.6M | — |
| Q4 25 | $9.5M | $13.5M | ||
| Q3 25 | $9.1M | $16.0M | ||
| Q2 25 | $10.4M | $17.2M | ||
| Q1 25 | $12.0M | $17.5M | ||
| Q4 24 | $13.8M | $17.6M | ||
| Q3 24 | $14.8M | $19.2M | ||
| Q2 24 | $15.9M | $18.9M | ||
| Q1 24 | $4.5M | $19.6M |
| Q4 25 | $12.2M | $20.2M | ||
| Q3 25 | $12.7M | $22.7M | ||
| Q2 25 | $14.2M | $24.1M | ||
| Q1 25 | $14.5M | $24.5M | ||
| Q4 24 | $16.3M | $25.0M | ||
| Q3 24 | $17.1M | $24.8M | ||
| Q2 24 | $17.8M | $24.1M | ||
| Q1 24 | $6.6M | $26.2M |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $-1.3M | $-1.7M |
| Free Cash FlowOCF − Capex | — | $-1.9M |
| FCF MarginFCF / Revenue | — | -46.6% |
| Capex IntensityCapex / Revenue | 0.0% | 5.2% |
| Cash ConversionOCF / Net Profit | — | — |
| TTM Free Cash FlowTrailing 4 quarters | — | $-2.8M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-1.3M | $-1.7M | ||
| Q3 25 | $-1.8M | $-343.0K | ||
| Q2 25 | $-511.0K | $-342.0K | ||
| Q1 25 | $-1.1M | $109.0K | ||
| Q4 24 | $-415.0K | $-1.6M | ||
| Q3 24 | $-1.4M | $839.0K | ||
| Q2 24 | $-1.5M | $-243.0K | ||
| Q1 24 | $-1.0M | $-41.0K |
| Q4 25 | — | $-1.9M | ||
| Q3 25 | — | $-348.0K | ||
| Q2 25 | — | $-633.0K | ||
| Q1 25 | $-1.1M | $53.0K | ||
| Q4 24 | — | $-1.7M | ||
| Q3 24 | — | $724.0K | ||
| Q2 24 | — | $-268.0K | ||
| Q1 24 | — | $-180.0K |
| Q4 25 | — | -46.6% | ||
| Q3 25 | — | -6.5% | ||
| Q2 25 | — | -10.6% | ||
| Q1 25 | -278.1% | 0.9% | ||
| Q4 24 | — | -33.5% | ||
| Q3 24 | — | 13.4% | ||
| Q2 24 | — | -5.3% | ||
| Q1 24 | — | -3.0% |
| Q4 25 | 0.0% | 5.2% | ||
| Q3 25 | 0.0% | 0.1% | ||
| Q2 25 | 0.0% | 4.9% | ||
| Q1 25 | 1.0% | 0.9% | ||
| Q4 24 | — | 3.6% | ||
| Q3 24 | 0.0% | 2.1% | ||
| Q2 24 | — | 0.5% | ||
| Q1 24 | — | 2.3% |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
CLIR
Segment breakdown not available.
DAIO
| Other | $2.1M | 53% |
| Adapter Sales | $1.9M | 47% |
