Inventories (Details) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Inventory Disclosure [Abstract]
Raw materials and manufacturing supplies	$ 5,906,000	$ 5,693,000
Finished products	1,935,000	1,988,000
Total inventories	7,841,000	7,681,000
Inventory valuation reserves	$ 0	$ 0

No definition available.

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- Definition

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

+ References

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 852
-SubTopic 10
-Name Accounting Standards Codification
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- Definition

Amount of valuation reserve for inventory.

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-Name Accounting Standards Codification
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- Definition

The aggregate carrying amount as of the balance sheet date of items held by the entity which are partially completed at the time of measurement and unprocessed items that will go through the production process and become part of the final product. Includes supplies used directly or indirectly in the manufacturing or production process. This element may be used when the reporting entity combines work in process and raw materials into an aggregate amount.

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