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Note 2 - Revenue (Tables) | 3 Months Ended
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Jun. 30, 2025
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Three Months Ended June 30, 2025 |
|  | Sterilization and Disinfection Control |  |  | Biopharmaceutical Development |  |  | Calibration Solutions |  |  | Clinical Genomics |  |  | Total |
Consumables |  | $ | 23,011 |  |  | $ | 3,836 |  |  | $ | 841 |  |  | $ | 8,085 |  |  | $ | 35,773 |
Hardware and software |  |  | 89 |  |  |  | 4,288 |  |  |  | 6,975 |  |  |  | 1,217 |  |  |  | 12,569 |
Services |  |  | 2,310 |  |  |  | 3,362 |  |  |  | 4,534 |  |  |  | 995 |  |  |  | 11,201 |
Total revenues |  | $ | 25,410 |  |  | $ | 11,486 |  |  | $ | 12,350 |  |  | $ | 10,297 |  |  | $ | 59,543 |
|  | Three Months Ended June 30, 2024 |
|  | Sterilization and Disinfection Control |  |  | Biopharmaceutical Development |  |  | Calibration Solutions |  |  | Clinical Genomics |  |  | Total |
Consumables |  | $ | 20,396 |  |  | $ | 3,922 |  |  | $ | 580 |  |  | $ | 8,112 |  |  | $ | 33,010 |
Hardware and software |  |  | 169 |  |  |  | 4,837 |  |  |  | 6,886 |  |  |  | 2,183 |  |  |  | 14,075 |
Services |  |  | 2,392 |  |  |  | 3,249 |  |  |  | 4,335 |  |  |  | 1,109 |  |  |  | 11,085 |
Total revenues |  | $ | 22,957 |  |  | $ | 12,008 |  |  | $ | 11,801 |  |  | $ | 11,404 |  |  | $ | 58,170 |
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] |
|  | Three Months Ended June 30, |
|  | 2025 |  |  | 2024 |
United States |  | $ | 27,646 |  |  | $ | 26,861 |
China |  |  | 5,429 |  |  |  | 6,559 |
Other |  |  | 26,468 |  |  |  | 24,750 |
Total revenues |  | $ | 59,543 |  |  | $ | 58,170 |
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] |
Contract liabilities as of March 31, 2025 |  | $ | 14,803 |
Prior year liabilities recognized in revenues during the three months ended June 30, 2025 |  |  | (4,385 | )
Contract liabilities added during the three months ended June 30, 2025, net of revenues recognized |  |  | 4,669 |
Contract liabilities as of June 30, 2025 |  | $ | 15,087 |

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