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Note 12 - Segment Information (Tables) | 9 Months Ended
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Dec. 31, 2023
Notes Tables |
Schedule of Segment Reporting Information, by Segment [Table Text Block] |
|  | Three Months Ended December 31, |  |  | Nine Months Ended December 31, |
|  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sterilization and Disinfection Control |  | $ | 19,338 |  |  | $ | 16,283 |  |  | $ | 52,345 |  |  | $ | 48,021 |
Clinical Genomics |  |  | 12,546 |  |  |  | 15,585 |  |  |  | 41,464 |  |  |  | 48,525 |
Biopharmaceutical Development |  |  | 9,430 |  |  |  | 11,646 |  |  |  | 28,526 |  |  |  | 34,757 |
Calibration Solutions |  |  | 12,159 |  |  |  | 10,773 |  |  |  | 34,948 |  |  |  | 32,186 |
Total revenues (a) |  | $ | 53,473 |  |  | $ | 54,287 |  |  | $ | 157,283 |  |  | $ | 163,489 |
Gross profit: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sterilization and Disinfection Control |  | $ | 13,951 |  |  | $ | 11,614 |  |  | $ | 38,018 |  |  | $ | 34,581 |
Clinical Genomics |  |  | 6,449 |  |  |  | 8,045 |  |  |  | 20,904 |  |  |  | 26,535 |
Biopharmaceutical Development |  |  | 5,841 |  |  |  | 7,359 |  |  |  | 17,783 |  |  |  | 21,993 |
Calibration Solutions |  |  | 7,212 |  |  |  | 5,740 |  |  |  | 20,050 |  |  |  | 17,411 |
Reportable segment gross profit |  |  | 33,453 |  |  |  | 32,758 |  |  |  | 96,755 |  |  |  | 100,520 |
Corporate and Other (b) |  |  | (51 | ) |  |  | 7 |  |  |  | (61 | ) |  |  | (28 | )
Gross profit |  | $ | 33,402 |  |  | $ | 32,765 |  |  | $ | 96,694 |  |  | $ | 100,492 |
Reconciling Items: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating expense |  |  | 33,469 |  |  |  | 29,363 |  |  |  | 97,485 |  |  |  | 97,689 |
Operating (loss) income |  |  | (67 | ) |  |  | 3,402 |  |  |  | (791 | ) |  |  | 2,803 |
Nonoperating (income) expense, net |  |  | (2,013 | ) |  |  | 1,486 |  |  |  | (475 | ) |  |  | 2,915 |
Earnings (loss) before income taxes |  | $ | 1,946 |  |  | $ | 1,916 |  |  | $ | (316 | ) |  | $ | (112 | )
Schedule of Segment Reporting Information, by Inventory Segment [Table Text Block] |
|  | December 31, |  |  | March 31, |
|  | 2023 |  |  | 2023 |
Sterilization and Disinfection Control |  | $ | 7,593 |  |  | $ | 3,492 |
Clinical Genomics |  |  | 11,529 |  |  |  | 13,985 |
Biopharmaceutical Development |  |  | 8,183 |  |  |  | 8,384 |
Calibration Solutions |  |  | 8,668 |  |  |  | 8,781 |
Total inventories |  | $ | 35,973 |  |  | $ | 34,642 |

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