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Note 12 - Segment Information (Tables) | 9 Months Ended
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Dec. 31, 2024
Notes Tables |
Schedule of Segment Reporting Information, by Segment [Table Text Block] |
|  | Three Months Ended December 31, |  |  | Nine Months Ended December 31, |
|  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |
Revenues (a): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sterilization and Disinfection Control (b) |  | $ | 23,507 |  |  | $ | 19,338 |  |  | $ | 68,669 |  |  | $ | 52,345 |
Clinical Genomics |  |  | 12,667 |  |  |  | 12,546 |  |  |  | 35,570 |  |  |  | 41,464 |
Biopharmaceutical Development |  |  | 12,237 |  |  |  | 9,430 |  |  |  | 36,112 |  |  |  | 28,526 |
Calibration Solutions |  |  | 14,429 |  |  |  | 12,159 |  |  |  | 38,492 |  |  |  | 34,948 |
Total revenues |  | $ | 62,840 |  |  | $ | 53,473 |  |  | $ | 178,843 |  |  | $ | 157,283 |
Gross profit: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sterilization and Disinfection Control (b) |  | $ | 16,461 |  |  | $ | 13,951 |  |  | $ | 47,191 |  |  | $ | 38,018 |
Clinical Genomics |  |  | 6,948 |  |  |  | 6,449 |  |  |  | 19,344 |  |  |  | 20,904 |
Biopharmaceutical Development |  |  | 7,539 |  |  |  | 5,841 |  |  |  | 22,665 |  |  |  | 17,783 |
Calibration Solutions |  |  | 8,806 |  |  |  | 7,212 |  |  |  | 23,258 |  |  |  | 20,050 |
Reportable segment gross profit |  |  | 39,754 |  |  |  | 33,453 |  |  |  | 112,458 |  |  |  | 96,755 |
Corporate and other (c) |  |  | - |  |  |  | (51 | ) |  |  | - |  |  |  | (61 | )
Gross profit |  | $ | 39,754 |  |  | $ | 33,402 |  |  | $ | 112,458 |  |  | $ | 96,694 |
Reconciling items: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating expense |  |  | 33,975 |  |  |  | 33,469 |  |  |  | 97,591 |  |  |  | 97,485 |
Operating income (loss) |  |  | 5,779 |  |  |  | (67 | ) |  |  | 14,867 |  |  |  | (791 | )
Non-operating expense (income), net |  |  | 7,996 |  |  |  | (2,013 | ) |  |  | 9,367 |  |  |  | (475 | )
(Loss) earnings before income taxes |  | $ | (2,217 | ) |  | $ | 1,946 |  |  | $ | 5,500 |  |  | $ | (316 | )
Schedule of Depreciation and Amortization Expense [Table Text Block] |
|  | December 31, |  |  | March 31, |
|  | 2024 |  |  | 2024 |
Sterilization and Disinfection Control |  | $ | 5,728 |  |  | $ | 7,014 |
Clinical Genomics |  |  | 10,709 |  |  |  | 11,813 |
Biopharmaceutical Development |  |  | 5,853 |  |  |  | 6,304 |
Calibration Solutions |  |  | 5,832 |  |  |  | 7,544 |
Total Inventories |  | $ | 28,122 |  |  | $ | 32,675 |

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