Discontinued Operation and Assets and Liabilities Related to Discontinued Operation - Results of operations classified as a discontinued operation, net of tax, in the Condensed Consolidated Statements of Operations (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Results of operations classified as a discontinued operation, net of tax
(Loss)/income from discontinued operation, net of tax	$ (386,000)	$ 271,000	$ (7,326,000)	$ 127,000
OKC
Results of operations classified as a discontinued operation, net of tax
Change in purchase price	96,000
Held for sale | OKC
Results of operations classified as a discontinued operation, net of tax
Net Sales	336,000	2,168,000	3,423,000	6,650,000
Operating costs	(739,000)	(1,897,000)	(5,316,000)	(6,523,000)
Loss/(income) from discontinued operation	(403,000)	271,000	(1,893,000)	127,000
Loss from discontinued operation - impairment and divestiture costs	(79,000)		(2,306,000)
Change in purchase price	96,000		(3,127,000)
(Loss)/income from discontinued operation before income taxes	(386,000)	271,000	(7,326,000)	127,000
(Loss)/income from discontinued operation, net of tax	$ (386,000)	$ 271,000	$ (7,326,000)	$ 127,000