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Side-by-side financial comparison of Bridgeline Digital, Inc. (BLIN) and ClearSign Technologies Corp (CLIR). Click either name above to swap in a different company.
Bridgeline Digital, Inc. is the larger business by last-quarter revenue ($3.9M vs $3.7M, roughly 1.1× ClearSign Technologies Corp). Bridgeline Digital, Inc. runs the higher net margin — -2.2% vs -8.5%, a 6.3% gap on every dollar of revenue. On growth, ClearSign Technologies Corp posted the faster year-over-year revenue change (522.2% vs 3.2%). Over the past eight quarters, ClearSign Technologies Corp's revenue compounded faster (82.5% CAGR vs 1.4%).
Bridgeline Digital, Inc. provides digital experience solutions including web content management, e-commerce platforms, marketing automation tools, and custom digital development services. It primarily serves small and medium-sized North American enterprises across retail, healthcare, education, and non-profit segments.
ClearSign Technologies Corporation (ClearSign) is a United States-based company that develops emission-control technology.
BLIN vs CLIR — Head-to-Head
Income Statement — Q1 FY2026 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $3.9M | $3.7M |
| Net Profit | $-86.0K | $-311.0K |
| Gross Margin | 66.1% | 21.9% |
| Operating Margin | -4.4% | -22.5% |
| Net Margin | -2.2% | -8.5% |
| Revenue YoY | 3.2% | 522.2% |
| Net Profit YoY | 86.4% | 73.3% |
| EPS (diluted) | $-0.01 | $-0.06 |
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 | $3.9M | $3.7M | ||
| Q3 25 | $3.9M | $1.0M | ||
| Q2 25 | $3.8M | $133.0K | ||
| Q1 25 | $3.9M | $401.0K | ||
| Q4 24 | $3.8M | $590.0K | ||
| Q3 24 | $3.9M | $1.9M | ||
| Q2 24 | $3.9M | $45.0K | ||
| Q1 24 | $3.8M | $1.1M |
| Q4 25 | $-86.0K | $-311.0K | ||
| Q3 25 | $-365.0K | $-1.4M | ||
| Q2 25 | $-789.0K | $-1.7M | ||
| Q1 25 | $-730.0K | $-2.1M | ||
| Q4 24 | $-634.0K | $-1.2M | ||
| Q3 24 | $-432.0K | $-1.2M | ||
| Q2 24 | $-305.0K | $-1.9M | ||
| Q1 24 | $-602.0K | $-1.1M |
| Q4 25 | 66.1% | 21.9% | ||
| Q3 25 | 65.7% | 35.8% | ||
| Q2 25 | 66.3% | 41.4% | ||
| Q1 25 | 67.5% | 48.9% | ||
| Q4 24 | 66.9% | 14.9% | ||
| Q3 24 | 68.7% | 29.6% | ||
| Q2 24 | 68.8% | 93.3% | ||
| Q1 24 | 66.4% | 39.7% |
| Q4 25 | -4.4% | -22.5% | ||
| Q3 25 | -12.5% | -170.1% | ||
| Q2 25 | -17.9% | -1382.0% | ||
| Q1 25 | -19.2% | -562.8% | ||
| Q4 24 | -13.5% | -282.4% | ||
| Q3 24 | -12.5% | -77.1% | ||
| Q2 24 | -9.7% | -4748.9% | ||
| Q1 24 | -13.6% | -113.6% |
| Q4 25 | -2.2% | -8.5% | ||
| Q3 25 | -9.4% | -138.9% | ||
| Q2 25 | -20.5% | -1263.2% | ||
| Q1 25 | -18.8% | -517.7% | ||
| Q4 24 | -16.7% | -197.3% | ||
| Q3 24 | -11.2% | -62.1% | ||
| Q2 24 | -7.7% | -4160.0% | ||
| Q1 24 | -15.8% | -100.5% |
| Q4 25 | $-0.01 | $-0.06 | ||
| Q3 25 | $-0.02 | $-0.26 | ||
| Q2 25 | $-0.07 | $-0.30 | ||
| Q1 25 | $-0.10 | $-0.37 | ||
| Q4 24 | $-0.06 | $-0.18 | ||
| Q3 24 | $-0.04 | $-0.20 | ||
| Q2 24 | $-0.03 | $-0.40 | ||
| Q1 24 | $-0.06 | $-0.30 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $1.5M | $9.2M |
| Total DebtLower is stronger | $236.0K | — |
| Stockholders' EquityBook value | $9.6M | $9.5M |
| Total Assets | $15.7M | $12.2M |
| Debt / EquityLower = less leverage | 0.02× | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $1.5M | $9.2M | ||
| Q3 25 | $1.6M | $10.5M | ||
| Q2 25 | $2.1M | $12.3M | ||
| Q1 25 | $2.8M | $12.9M | ||
| Q4 24 | $1.5M | $14.0M | ||
| Q3 24 | $1.4M | $14.5M | ||
| Q2 24 | $1.2M | $16.0M | ||
| Q1 24 | $1.3M | $4.6M |
| Q4 25 | $236.0K | — | ||
| Q3 25 | $326.0K | — | ||
| Q2 25 | $348.0K | — | ||
| Q1 25 | $406.0K | — | ||
| Q4 24 | $409.0K | — | ||
| Q3 24 | $500.0K | — | ||
| Q2 24 | $524.0K | — | ||
| Q1 24 | $612.0K | — |
| Q4 25 | $9.6M | $9.5M | ||
| Q3 25 | $9.6M | $9.1M | ||
| Q2 25 | $9.9M | $10.4M | ||
| Q1 25 | $10.6M | $12.0M | ||
| Q4 24 | $9.6M | $13.8M | ||
| Q3 24 | $10.0M | $14.8M | ||
| Q2 24 | $10.3M | $15.9M | ||
| Q1 24 | $10.5M | $4.5M |
| Q4 25 | $15.7M | $12.2M | ||
| Q3 25 | $15.3M | $12.7M | ||
| Q2 25 | $16.1M | $14.2M | ||
| Q1 25 | $17.0M | $14.5M | ||
| Q4 24 | $15.5M | $16.3M | ||
| Q3 24 | $15.6M | $17.1M | ||
| Q2 24 | $16.0M | $17.8M | ||
| Q1 24 | $16.3M | $6.6M |
| Q4 25 | 0.02× | — | ||
| Q3 25 | 0.03× | — | ||
| Q2 25 | 0.03× | — | ||
| Q1 25 | 0.04× | — | ||
| Q4 24 | 0.04× | — | ||
| Q3 24 | 0.05× | — | ||
| Q2 24 | 0.05× | — | ||
| Q1 24 | 0.06× | — |
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 | $-39.0K | $-1.3M |
| Free Cash FlowOCF − Capex | $-46.0K | — |
| FCF MarginFCF / Revenue | -1.2% | — |
| Capex IntensityCapex / Revenue | 0.2% | 0.0% |
| Cash ConversionOCF / Net Profit | — | — |
| TTM Free Cash FlowTrailing 4 quarters | $-1.3M | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-39.0K | $-1.3M | ||
| Q3 25 | $-345.0K | $-1.8M | ||
| Q2 25 | $-565.0K | $-511.0K | ||
| Q1 25 | $-372.0K | $-1.1M | ||
| Q4 24 | $178.0K | $-415.0K | ||
| Q3 24 | $217.0K | $-1.4M | ||
| Q2 24 | $0 | $-1.5M | ||
| Q1 24 | $-86.0K | $-1.0M |
| Q4 25 | $-46.0K | — | ||
| Q3 25 | $-351.0K | — | ||
| Q2 25 | $-570.0K | — | ||
| Q1 25 | $-374.0K | $-1.1M | ||
| Q4 24 | $173.0K | — | ||
| Q3 24 | $212.0K | — | ||
| Q2 24 | — | — | ||
| Q1 24 | $-91.0K | — |
| Q4 25 | -1.2% | — | ||
| Q3 25 | -9.1% | — | ||
| Q2 25 | -14.8% | — | ||
| Q1 25 | -9.7% | -278.1% | ||
| Q4 24 | 4.6% | — | ||
| Q3 24 | 5.5% | — | ||
| Q2 24 | — | — | ||
| Q1 24 | -2.4% | — |
| Q4 25 | 0.2% | 0.0% | ||
| Q3 25 | 0.2% | 0.0% | ||
| Q2 25 | 0.1% | 0.0% | ||
| Q1 25 | 0.1% | 1.0% | ||
| Q4 24 | 0.1% | — | ||
| Q3 24 | 0.1% | 0.0% | ||
| Q2 24 | 0.5% | — | ||
| Q1 24 | 0.1% | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
BLIN
| Subscription | $3.2M | 81% |
| Other | $758.0K | 19% |
CLIR
Segment breakdown not available.
