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Note 2 - Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Revenues |  | $ 60,737 | $ 57,833 | $ 120,280 | $ 116,003
Consumables [Member] | Transferred at Point in Time [Member] |  |  |  |  |
Revenues |  | 33,377 | 31,921 | 69,150 | 64,931
Hardware and Software [Member] | Transferred at Point in Time [Member] |  |  |  |  |
Revenues |  | 16,071 | 15,611 | 28,640 | 29,686
Service [Member] | Transferred at Point in Time [Member] |  |  |  |  |
Revenues |  | 11,289 | 10,301 | 22,490 | 21,386
Operating Segments [Member] | Sterilization and Disinfection Control [Member] |  |  |  |  |
Revenues | [1] | 22,107 | 22,205 | 47,517 | 45,162
Operating Segments [Member] | Biopharmaceutical Development [Member] |  |  |  |  |
Revenues | [1] | 13,920 | 11,867 | 25,406 | 23,875
Operating Segments [Member] | Calibration Solutions [Member] |  |  |  |  |
Revenues | [1] | 13,570 | 12,262 | 25,920 | 24,063
Operating Segments [Member] | Clinical Genomics [Member] |  |  |  |  |
Revenues | [1] | 11,140 | 11,499 | 21,437 | 22,903
Operating Segments [Member] | Consumables [Member] | Transferred at Point in Time [Member] | Sterilization and Disinfection Control [Member] |  |  |  |  |
Revenues |  | 19,282 | 19,473 | 42,293 | 39,869
Operating Segments [Member] | Consumables [Member] | Transferred at Point in Time [Member] | Biopharmaceutical Development [Member] |  |  |  |  |
Revenues |  | 4,371 | 3,826 | 8,207 | 7,748
Operating Segments [Member] | Consumables [Member] | Transferred at Point in Time [Member] | Calibration Solutions [Member] |  |  |  |  |
Revenues |  | 752 | 444 | 1,593 | 1,024
Operating Segments [Member] | Consumables [Member] | Transferred at Point in Time [Member] | Clinical Genomics [Member] |  |  |  |  |
Revenues |  | 8,972 | 8,178 | 17,057 | 16,290
Operating Segments [Member] | Hardware and Software [Member] | Transferred at Point in Time [Member] | Sterilization and Disinfection Control [Member] |  |  |  |  |
Revenues |  | 147 | 144 | 236 | 313
Operating Segments [Member] | Hardware and Software [Member] | Transferred at Point in Time [Member] | Biopharmaceutical Development [Member] |  |  |  |  |
Revenues |  | 6,662 | 5,168 | 10,950 | 10,005
Operating Segments [Member] | Hardware and Software [Member] | Transferred at Point in Time [Member] | Calibration Solutions [Member] |  |  |  |  |
Revenues |  | 8,129 | 7,848 | 15,104 | 14,734
Operating Segments [Member] | Hardware and Software [Member] | Transferred at Point in Time [Member] | Clinical Genomics [Member] |  |  |  |  |
Revenues |  | 1,133 | 2,451 | 2,350 | 4,634
Operating Segments [Member] | Service [Member] | Transferred at Point in Time [Member] | Sterilization and Disinfection Control [Member] |  |  |  |  |
Revenues |  | 2,678 | 2,588 | 4,988 | 4,980
Operating Segments [Member] | Service [Member] | Transferred at Point in Time [Member] | Biopharmaceutical Development [Member] |  |  |  |  |
Revenues |  | 2,887 | 2,873 | 6,249 | 6,122
Operating Segments [Member] | Service [Member] | Transferred at Point in Time [Member] | Calibration Solutions [Member] |  |  |  |  |
Revenues |  | 4,689 | 3,970 | 9,223 | 8,305
Operating Segments [Member] | Service [Member] | Transferred at Point in Time [Member] | Clinical Genomics [Member] |  |  |  |  |
Revenues |  | $ 1,035 | $ 870 | $ 2,030 | $ 1,979
[1] | Intersegment revenues are not significant and are eliminated to arrive at consolidated totals. Revenues as presented are consistent with GAAP measurement principles and our CODM's review of segment information.

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