Inventories (Details) - Inventories - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Inventory [Line Items]
Raw materials	$ 1,827,000	$ 2,535,000
Finished goods	387,000	187,000
Total inventory	$ 2,214,000	$ 2,722,000

Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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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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- Definition

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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- Definition

Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.

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