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Note 12 - Segment Information - Operating Segment Asset Reconciliation (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Mar. 31, 2021
Total inventories	$ 23,719	$ 11,178
Operating Segments [Member] | Sterilization and Disinfection Control [Member]
Total inventories	2,146	2,333
Operating Segments [Member] | Biopharmaceutical Development [Member]
Total inventories	4,482	4,162
Operating Segments [Member] | Calibration Solutions [Member]
Total inventories	5,531	4,683
Operating Segments [Member] | Clinical Genomics [Member]
Total inventories	$ 11,560	$ 0

X

- Definition

Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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