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Note 2 - Revenue (Tables) | 12 Months Ended
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Mar. 31, 2025
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Year Ended March 31, 2025 |
|  | Sterilization and Disinfection Control (1) |  |  | Clinical Genomics |  |  | Biopharmaceutical Development |  |  | Calibration Solutions |  |  | Total |
Consumables |  | $ | 82,736 |  |  | $ | 35,672 |  |  | $ | 17,287 |  |  | $ | 3,039 |  |  | $ | 138,734 |
Hardware and Software |  |  | 496 |  |  |  | 7,689 |  |  |  | 19,649 |  |  |  | 31,827 |  |  |  | 59,661 |
Services |  |  | 10,186 |  |  |  | 3,720 |  |  |  | 11,794 |  |  |  | 16,883 |  |  |  | 42,583 |
Total revenues |  | $ | 93,418 |  |  | $ | 47,081 |  |  | $ | 48,730 |  |  | $ | 51,749 |  |  | $ | 240,978 |
|  | Year Ended March 31, 2024 |
|  | Sterilization and Disinfection Control (1) |  |  | Clinical Genomics |  |  | Biopharmaceutical Development |  |  | Calibration Solutions |  |  | Total |
Consumables |  | $ | 65,459 |  |  | $ | 36,086 |  |  | $ | 17,086 |  |  | $ | 2,345 |  |  | $ | 120,976 |
Hardware and Software |  |  | 549 |  |  |  | 12,254 |  |  |  | 12,993 |  |  |  | 30,024 |  |  |  | 55,820 |
Services |  |  | 9,116 |  |  |  | 4,248 |  |  |  | 10,633 |  |  |  | 15,394 |  |  |  | 39,391 |
Total revenues |  | $ | 75,124 |  |  | $ | 52,588 |  |  | $ | 40,712 |  |  | $ | 47,763 |  |  | $ | 216,187 |
|  | Year Ended March 31, 2023 |
|  | Sterilization and Disinfection Control |  |  | Clinical Genomics |  |  | Biopharmaceutical Development |  |  | Calibration Solutions |  |  | Total |
Consumables |  | $ | 55,605 |  |  | $ | 43,374 |  |  | $ | 15,800 |  |  | $ | 3,062 |  |  | $ | 117,841 |
Hardware and Software |  |  | 692 |  |  |  | 13,347 |  |  |  | 22,079 |  |  |  | 26,561 |  |  |  | 62,679 |
Services |  |  | 8,312 |  |  |  | 5,578 |  |  |  | 9,486 |  |  |  | 15,184 |  |  |  | 38,560 |
Total revenues |  | $ | 64,609 |  |  | $ | 62,299 |  |  | $ | 47,365 |  |  | $ | 44,807 |  |  | $ | 219,080 |
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] |
Contract liabilities as of March 31, 2024 |  | $ | 15,686 |
Prior year liabilities recognized in revenues during the year ended March 31, 2025 |  |  | (9,873 | )
Contract liabilities added during the year ended March 31, 2025, net of revenues recognized |  |  | 8,990 |
Contract liabilities balance as of March 31, 2025 |  | $ | 14,803 |

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