Note 3 - Balance Sheet Components (Tables)
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6 Months Ended |
Jun. 30, 2026 |
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| Notes Tables |
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| Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] |
| | | June 30, | | | December 31, | |
| | | 2026 | | | 2025 | |
| Net investments in sales-type leases - current portion (1) | | $ | 19,293 | | | $ | 14,248 | |
| Contract assets (2) | | | 14,350 | | | | 11,267 | |
| Prepaid expense | | | 7,037 | | | | 6,595 | |
| Costs capitalized to obtain revenue contracts (3) | | | 2,785 | | | | 2,489 | |
| Other | | | 3,682 | | | | 4,136 | |
| Total prepaid expenses and other current assets | | $ | 47,147 | | | $ | 38,735 | |
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| Property, Plant, and Equipment [Table Text Block] |
| | | June 30, | | | December 31, | |
| | | 2026 | | | 2025 | |
| Computer equipment | | $ | 15,143 | | | $ | 14,547 | |
| Software and capitalized software development cost | | | 15,320 | | | | 10,408 | |
| Furniture, fixtures, and equipment | | | 2,728 | | | | 2,668 | |
| Leasehold improvements | | | 7,142 | | | | 7,033 | |
| Laboratory and other equipment | | | 7,259 | | | | 6,737 | |
| Test equipment | | | 46,171 | | | | 33,268 | |
| Property and equipment in progress: | | | | | | | | |
| DirectScan system assets | | | 46,622 | | | | 49,184 | |
| CV system and other assets | | | 8,417 | | | | 8,621 | |
| Total property and equipment | | | 148,802 | | | | 132,466 | |
| Less: Accumulated depreciation and amortization | | | (54,282 | ) | | | (50,857 | ) |
| Total property and equipment, net | | $ | 94,520 | | | $ | 81,609 | |
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| Goodwill [Table Text Block] |
| | | Six Months Ended June 30, | |
| | | 2026 | | | 2025 | |
| Balance at the beginning of period | | $ | 95,005 | | | $ | 14,953 | |
| Addition (1) | | | — | | | | 81,799 | |
| Measurement period acquisition adjustment | | | 15 | | | | — | |
| Foreign currency translation adjustment | | | (34 | ) | | | 46 | |
| Balance at the end of period | | $ | 94,986 | | | $ | 96,798 | |
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| Intangible Asset, Finite-Lived [Table Text Block] |
| | | | | | June 30, 2026 | | | December 31, 2025 | |
| | | Amortization | | | Gross | | | | | | | Net | | | Gross | | | | | | | Net | |
| | | Period | | | Carrying | | | Accumulated | | | Carrying | | | Carrying | | | Accumulated | | | Carrying | |
| | | (Years) | | | Amount | | | Amortization | | | Amount | | | Amount | | | Amortization | | | Amount | |
| Acquired intangible assets: | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Customer relationships | | 1 - 13 | | | $ | 38,400 | | | $ | (11,335 | ) | | $ | 27,065 | | | $ | 38,404 | | | $ | (10,034 | ) | | $ | 28,370 | |
| Developed technology | | 4 - 9 | | | | 46,180 | | | | (30,541 | ) | | | 15,639 | | | | 46,215 | | | | (28,466 | ) | | | 17,749 | |
| Tradename and trademarks | | 2 - 10 | | | | 8,198 | | | | (2,967 | ) | | | 5,231 | | | | 8,198 | | | | (2,267 | ) | | | 5,931 | |
| Patent | | 6 - 10 | | | | 2,100 | | | | (1,979 | ) | | | 121 | | | | 2,100 | | | | (1,956 | ) | | | 144 | |
| Noncompetition agreements | | 3 | | | | 848 | | | | (848 | ) | | | — | | | | 848 | | | | (848 | ) | | | — | |
| Total | | | | | $ | 95,726 | | | $ | (47,670 | ) | | $ | 48,056 | | | $ | 95,765 | | | $ | (43,571 | ) | | $ | 52,194 | |
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| Intangible Asset, Finite-Lived, Amortization Expense [Table Text Block] |
| | | Three Months Ended June 30, | | | Six Months Ended June 30, | |
| | | 2026 | | | 2025 | | | 2026 | | | 2025 | |
| Amortization of acquired technology (included in costs of revenues) | | $ | 998 | | | $ | 998 | | | $ | 1,996 | | | $ | 1,676 | |
| Amortization of acquired intangible assets (presented separately under costs and expenses) | | | 1,058 | | | | 1,068 | | | | 2,117 | | | | 1,446 | |
| Total amortization expense | | $ | 2,056 | | | $ | 2,066 | | | $ | 4,113 | | | $ | 3,122 | |
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| Intangible Asset, Finite-Lived, and Capitalized Cost, Software to be Sold, Leased, or Marketed, Estimated Amortization Expense [Table Text Block] |
| Year Ending December 31, | | Amount | |
| 2026 (remaining six months) | | $ | 3,982 | |
| 2027 | | | 7,940 | |
| 2028 | | | 7,635 | |
| 2029 | | | 5,950 | |
| 2030 | | | 4,506 | |
| 2031 and thereafter | | | 18,043 | |
| Total future amortization expense | | $ | 48,056 | |
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| Schedule of Other Assets, Noncurrent [Table Text Block] |
| | | June 30, | | | December 31, | |
| | | 2026 | | | 2025 | |
| Unbilled accounts receivable (1) | | $ | 8,737 | | | $ | 8,719 | |
| Costs capitalized to obtain revenue contracts (2) | | | 2,676 | | | | 3,395 | |
| Contract assets (2) | | | 169 | | | | — | |
| Net investments in sales-type leases (3) | | | 11,736 | | | | 7,588 | |
| Other | | | 1,399 | | | | 1,447 | |
| Total other non-current assets | | $ | 24,717 | | | $ | 21,149 | |
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| Sale Leaseback Transactions [Table Text Block] |
| | | June 30, | | | December 31, | |
| | | 2026 | | | 2025 | |
| Present value of lease receivables | | $ | 17,805 | | | $ | 10,890 | |
| Unguaranteed residual assets | | | 13,224 | | | | 10,946 | |
| Total net investments in sales-type leases | | $ | 31,029 | | | $ | 21,836 | |
| Reported as: | | | | | | | | |
| Current (included in Prepaid expenses and other current assets) | | $ | 19,293 | | | $ | 14,248 | |
| Non-current (included in Other non-current assets) | | | 11,736 | | | | 7,588 | |
| Total net investments in sales-type leases | | $ | 31,029 | | | $ | 21,836 | |
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| Sales-Type and Direct Financing Leases, Payment to be Received, Maturity [Table Text Block] |
| Year Ending December 31, | | Amount | |
| 2026 (remaining six months) | | $ | 6,995 | |
| 2027 | | | 2,191 | |
| 2028 | | | 3,109 | |
| 2029 | | | 3,109 | |
| 2030 | | | 2,915 | |
| 2031 and thereafter | | | 2,930 | |
| Total future sales-type lease payments | | | 21,249 | |
| Less: Implied interest (1) | | | (3,444 | ) |
| Present value of lease receivables | | $ | 17,805 | |
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| Other Current Liabilities [Table Text Block] |
| | | June 30, | | | December 31, | |
| | | 2026 | | | 2025 | |
| Accrued expenses | | $ | 6,513 | | | $ | 7,061 | |
| Accrued income taxes | | | 318 | | | | 297 | |
| Other | | | 1,991 | | | | 1,361 | |
| Total accrued and other current liabilities | | $ | 8,822 | | | $ | 8,719 | |
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