Discontinued Operation and Assets and Liabilities Related to Discontinued Operation - Discontinued operation in the Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Carrying amounts of major classes of assets and liabilities, which are included in assets and liabilities related to discontinued operation in the Condensed Consolidated Balance Sheets
Liabilities related to discontinued operation	$ 1,741	$ 1,745
Held for sale \| OKC
Carrying amounts of major classes of assets and liabilities, which are included in assets and liabilities related to discontinued operation in the Condensed Consolidated Balance Sheets
Accounts receivable, net	335	1,016
Prepaid assets	96	313
Inventories, net		4,766
Patents and trademark, net		140
Assets related to discontinued operation	1,981	9,528
Accounts payable	777	1,272
Accrued employee compensation and other costs	964	473
Liabilities related to discontinued operation	1,741	1,745
Held for sale \| OKC \| Machinery and equipment
Carrying amounts of major classes of assets and liabilities, which are included in assets and liabilities related to discontinued operation in the Condensed Consolidated Balance Sheets
Property, plant and equipment		567
Held for sale \| OKC \| Building and improvements, net
Carrying amounts of major classes of assets and liabilities, which are included in assets and liabilities related to discontinued operation in the Condensed Consolidated Balance Sheets
Property, plant and equipment	$ 1,550	$ 2,726

Amount classified as assets attributable to disposal group held for sale or disposed of.

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