Schedule of Inventories (Details) - USD ($)	Sep. 30, 2022	Dec. 31, 2021
Inventory Disclosure [Abstract]
Raw materials	$ 1,387,000	$ 1,249,000
Work in process	2,773,000	2,492,000
Finished goods	5,176,000	4,425,000
Allowance for excess quantities	(174,000)	(290,000)
Total inventories	$ 9,162,000	$ 7,876,000

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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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