Inventories: Schedule of Inventory, Current (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Details
Finished goods	$ 1,402	$ 1,708
Work-in-process	1,097	1,022
Raw materials	4,081	4,183
Total	$ 6,580	$ 6,913

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

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