Inventories: Schedule of Inventory, Current (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Details
Finished goods	$ 3,686	$ 1,615
Work-in-process	1,129	1,103
Raw materials	2,833	2,694
Total	$ 7,648	$ 5,412

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 merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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