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Note 2 - Revenue (Tables) | 6 Months Ended
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Sep. 30, 2025
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Three Months Ended September 30, 2025 |
|  | Sterilization and Disinfection Control |  |  | Biopharmaceutical Development |  |  | Calibration Solutions |  |  | Clinical Genomics |  |  | Total |
Consumables |  | $ | 19,282 |  |  | $ | 4,371 |  |  | $ | 752 |  |  | $ | 8,972 |  |  | $ | 33,377 |
Hardware and software |  |  | 147 |  |  |  | 6,662 |  |  |  | 8,129 |  |  |  | 1,133 |  |  |  | 16,071 |
Services |  |  | 2,678 |  |  |  | 2,887 |  |  |  | 4,689 |  |  |  | 1,035 |  |  |  | 11,289 |
Total revenues |  | $ | 22,107 |  |  | $ | 13,920 |  |  | $ | 13,570 |  |  | $ | 11,140 |  |  | $ | 60,737 |
|  | Three Months Ended September 30, 2024 |
|  | Sterilization and Disinfection Control |  |  | Biopharmaceutical Development |  |  | Calibration Solutions |  |  | Clinical Genomics |  |  | Total |
Consumables |  | $ | 19,473 |  |  | $ | 3,826 |  |  | $ | 444 |  |  | $ | 8,178 |  |  | $ | 31,921 |
Hardware and software |  |  | 144 |  |  |  | 5,168 |  |  |  | 7,848 |  |  |  | 2,451 |  |  |  | 15,611 |
Services |  |  | 2,588 |  |  |  | 2,873 |  |  |  | 3,970 |  |  |  | 870 |  |  |  | 10,301 |
Total revenues |  | $ | 22,205 |  |  | $ | 11,867 |  |  | $ | 12,262 |  |  | $ | 11,499 |  |  | $ | 57,833 |
|  | Six Months Ended September 30, 2025 |
|  | Sterilization and Disinfection Control |  |  | Biopharmaceutical Development |  |  | Calibration Solutions |  |  | Clinical Genomics |  |  | Total |
Consumables |  | $ | 42,293 |  |  | $ | 8,207 |  |  | $ | 1,593 |  |  | $ | 17,057 |  |  | $ | 69,150 |
Hardware and software |  |  | 236 |  |  |  | 10,950 |  |  |  | 15,104 |  |  |  | 2,350 |  |  |  | 28,640 |
Services |  |  | 4,988 |  |  |  | 6,249 |  |  |  | 9,223 |  |  |  | 2,030 |  |  |  | 22,490 |
Total revenues |  | $ | 47,517 |  |  | $ | 25,406 |  |  | $ | 25,920 |  |  | $ | 21,437 |  |  | $ | 120,280 |
|  | Six Months Ended September 30, 2024 |
|  | Sterilization and Disinfection Control |  |  | Biopharmaceutical Development |  |  | Calibration Solutions |  |  | Clinical Genomics |  |  | Total |
Consumables |  | $ | 39,869 |  |  | $ | 7,748 |  |  | $ | 1,024 |  |  | $ | 16,290 |  |  | $ | 64,931 |
Hardware and software |  |  | 313 |  |  |  | 10,005 |  |  |  | 14,734 |  |  |  | 4,634 |  |  |  | 29,686 |
Services |  |  | 4,980 |  |  |  | 6,122 |  |  |  | 8,305 |  |  |  | 1,979 |  |  |  | 21,386 |
Total revenues |  | $ | 45,162 |  |  | $ | 23,875 |  |  | $ | 24,063 |  |  | $ | 22,903 |  |  | $ | 116,003 |
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] |
|  | Three Months Ended September 30, |  |  | Six Months Ended September 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
United States |  | $ | 29,300 |  |  | $ | 28,078 |  |  | $ | 56,946 |  |  | $ | 54,939 |
China |  |  | 5,315 |  |  |  | 7,390 |  |  |  | 10,744 |  |  |  | 13,949 |
Other |  |  | 26,122 |  |  |  | 22,365 |  |  |  | 52,590 |  |  |  | 47,115 |
Total revenues |  | $ | 60,737 |  |  | $ | 57,833 |  |  | $ | 120,280 |  |  | $ | 116,003 |
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 six months ended September 30, 2025 |  |  | (7,312 | )
Contract liabilities added during the six months ended September 30, 2025, net of revenues recognized |  |  | 6,778 |
Contract liabilities as of September 30, 2025 |  | $ | 14,269 |

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