Inventory Components (Details) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Inventory Components
Raw materials	$ 32,000	$ 53,000
Finished goods	1,077,000	4,488,000
Inventory, net	$ 1,109,000	$ 4,541,000

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

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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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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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