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Side-by-side financial comparison of ClearSign Technologies Corp (CLIR) and ELECTRO SENSORS INC (ELSE). Click either name above to swap in a different company.
ClearSign Technologies Corp is the larger business by last-quarter revenue ($3.7M vs $2.8M, roughly 1.3× ELECTRO SENSORS INC). ELECTRO SENSORS INC runs the higher net margin — 3.7% vs -8.5%, a 12.2% gap on every dollar of revenue. On growth, ClearSign Technologies Corp posted the faster year-over-year revenue change (522.2% vs 14.8%). Over the past eight quarters, ClearSign Technologies Corp's revenue compounded faster (82.5% CAGR vs 10.8%).
ClearSign Technologies Corporation (ClearSign) is a United States-based company that develops emission-control technology.
Polar Electro Oy is a Finnish manufacturer of sports training computers, particularly known for developing the world's first wireless heart rate monitor.
CLIR vs ELSE — Head-to-Head
Income Statement — Q4 2025 vs Q4 2025
| Metric | | |
|---|---|---|
| Revenue | $3.7M | $2.8M |
| Net Profit | $-311.0K | $103.0K |
| Gross Margin | 21.9% | 50.3% |
| Operating Margin | -22.5% | -0.3% |
| Net Margin | -8.5% | 3.7% |
| Revenue YoY | 522.2% | 14.8% |
| Net Profit YoY | 73.3% | -48.8% |
| EPS (diluted) | $-0.06 | $0.03 |
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 | $2.8M | ||
| Q3 25 | $1.0M | $2.7M | ||
| Q2 25 | $133.0K | $2.4M | ||
| Q1 25 | $401.0K | $2.2M | ||
| Q4 24 | $590.0K | $2.4M | ||
| Q3 24 | $1.9M | $2.5M | ||
| Q2 24 | $45.0K | $2.2M | ||
| Q1 24 | $1.1M | $2.2M |
| Q4 25 | $-311.0K | $103.0K | ||
| Q3 25 | $-1.4M | $208.0K | ||
| Q2 25 | $-1.7M | $59.0K | ||
| Q1 25 | $-2.1M | $-64.0K | ||
| Q4 24 | $-1.2M | $201.0K | ||
| Q3 24 | $-1.2M | $238.0K | ||
| Q2 24 | $-1.9M | $-4.0K | ||
| Q1 24 | $-1.1M | $11.0K |
| Q4 25 | 21.9% | 50.3% | ||
| Q3 25 | 35.8% | 53.1% | ||
| Q2 25 | 41.4% | 51.2% | ||
| Q1 25 | 48.9% | 48.4% | ||
| Q4 24 | 14.9% | 49.6% | ||
| Q3 24 | 29.6% | 50.4% | ||
| Q2 24 | 93.3% | 47.2% | ||
| Q1 24 | 39.7% | 48.1% |
| Q4 25 | -22.5% | -0.3% | ||
| Q3 25 | -170.1% | 6.6% | ||
| Q2 25 | -1382.0% | -0.1% | ||
| Q1 25 | -562.8% | -7.5% | ||
| Q4 24 | -282.4% | 1.3% | ||
| Q3 24 | -77.1% | 6.9% | ||
| Q2 24 | -4748.9% | -4.8% | ||
| Q1 24 | -113.6% | -4.5% |
| Q4 25 | -8.5% | 3.7% | ||
| Q3 25 | -138.9% | 7.6% | ||
| Q2 25 | -1263.2% | 2.5% | ||
| Q1 25 | -517.7% | -2.9% | ||
| Q4 24 | -197.3% | 8.4% | ||
| Q3 24 | -62.1% | 9.5% | ||
| Q2 24 | -4160.0% | -0.2% | ||
| Q1 24 | -100.5% | 0.5% |
| Q4 25 | $-0.06 | $0.03 | ||
| Q3 25 | $-0.26 | $0.06 | ||
| Q2 25 | $-0.30 | $0.02 | ||
| Q1 25 | $-0.37 | $-0.02 | ||
| Q4 24 | $-0.18 | $0.06 | ||
| Q3 24 | $-0.20 | $0.07 | ||
| Q2 24 | $-0.40 | $0.00 | ||
| Q1 24 | $-0.30 | $0.00 |
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 | $10.6M |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $9.5M | $14.8M |
| Total Assets | $12.2M | $15.7M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $9.2M | $10.6M | ||
| Q3 25 | $10.5M | $10.6M | ||
| Q2 25 | $12.3M | $10.2M | ||
| Q1 25 | $12.9M | $10.0M | ||
| Q4 24 | $14.0M | $10.0M | ||
| Q3 24 | $14.5M | $10.3M | ||
| Q2 24 | $16.0M | $9.9M | ||
| Q1 24 | $4.6M | $10.1M |
| Q4 25 | $9.5M | $14.8M | ||
| Q3 25 | $9.1M | $14.7M | ||
| Q2 25 | $10.4M | $14.4M | ||
| Q1 25 | $12.0M | $14.3M | ||
| Q4 24 | $13.8M | $14.3M | ||
| Q3 24 | $14.8M | $14.1M | ||
| Q2 24 | $15.9M | $13.8M | ||
| Q1 24 | $4.5M | $13.8M |
| Q4 25 | $12.2M | $15.7M | ||
| Q3 25 | $12.7M | $15.7M | ||
| Q2 25 | $14.2M | $15.2M | ||
| Q1 25 | $14.5M | $15.1M | ||
| Q4 24 | $16.3M | $14.9M | ||
| Q3 24 | $17.1M | $15.0M | ||
| Q2 24 | $17.8M | $14.5M | ||
| Q1 24 | $6.6M | $14.5M |
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 | $20.0K |
| Free Cash FlowOCF − Capex | — | — |
| FCF MarginFCF / Revenue | — | — |
| Capex IntensityCapex / Revenue | 0.0% | — |
| Cash ConversionOCF / Net Profit | — | 0.19× |
| TTM Free Cash FlowTrailing 4 quarters | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-1.3M | $20.0K | ||
| Q3 25 | $-1.8M | $395.0K | ||
| Q2 25 | $-511.0K | $277.0K | ||
| Q1 25 | $-1.1M | $-30.0K | ||
| Q4 24 | $-415.0K | $-277.0K | ||
| Q3 24 | $-1.4M | $362.0K | ||
| Q2 24 | $-1.5M | $-158.0K | ||
| Q1 24 | $-1.0M | $202.0K |
| Q4 25 | — | — | ||
| Q3 25 | — | $389.0K | ||
| Q2 25 | — | — | ||
| Q1 25 | $-1.1M | — | ||
| Q4 24 | — | $-298.0K | ||
| Q3 24 | — | $358.0K | ||
| Q2 24 | — | $-184.0K | ||
| Q1 24 | — | — |
| Q4 25 | — | — | ||
| Q3 25 | — | 14.2% | ||
| Q2 25 | — | — | ||
| Q1 25 | -278.1% | — | ||
| Q4 24 | — | -12.4% | ||
| Q3 24 | — | 14.3% | ||
| Q2 24 | — | -8.3% | ||
| Q1 24 | — | — |
| Q4 25 | 0.0% | — | ||
| Q3 25 | 0.0% | 0.2% | ||
| Q2 25 | 0.0% | — | ||
| Q1 25 | 1.0% | — | ||
| Q4 24 | — | 0.9% | ||
| Q3 24 | 0.0% | 0.2% | ||
| Q2 24 | — | 1.2% | ||
| Q1 24 | — | 0.0% |
| Q4 25 | — | 0.19× | ||
| Q3 25 | — | 1.90× | ||
| Q2 25 | — | 4.69× | ||
| Q1 25 | — | — | ||
| Q4 24 | — | -1.38× | ||
| Q3 24 | — | 1.52× | ||
| Q2 24 | — | — | ||
| Q1 24 | — | 18.36× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
