Significant Accounting Policies, Inventory Valuation (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Inventory Valuation [Abstract]
Raw materials	$ 15,575	$ 18,646
Work in process	3,927	5,770
Finished goods	309	390
Total inventory	19,811	24,806
Clinical [Member]
Inventory Valuation [Abstract]
Raw materials	14,686	14,507
Commercial [Member]
Inventory Valuation [Abstract]
Raw materials	$ 889	$ 4,139

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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