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Note 12 - Segment Data - Segment Depreciation and Amortization (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Mar. 31, 2024
--- | --- | ---
Total inventories | $ 31,767 | $ 32,675
Operating Segments [Member] | Sterilization and Disinfection Control [Member] |  |
Total inventories | 6,465 | 7,014
Operating Segments [Member] | Clinical Genomics [Member] |  |
Total inventories | 12,156 | 11,813
Operating Segments [Member] | Biopharmaceutical Development [Member] |  |
Total inventories | 6,255 | 6,304
Operating Segments [Member] | Calibration Solutions [Member] |  |
Total inventories | $ 6,891 | $ 7,544

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