Commitments And Contingencies (Narrative) (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Other Commitments [Line Items]
Property and equipment, net	$ 36,417	$ 33,077
PerClot [Member]
Other Commitments [Line Items]
Prepaid royalties	1,500
Net intangible assets	1,600
Property and equipment, net	1,300
Starch Technology Purchase [Member]
Other Commitments [Line Items]
Expected future contingent payment amounts	$ 1,000

Expected future contingent payment amounts.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of asset related to consideration paid in advance for royalties that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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