Inventories, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Summary of Inventory
Raw materials	$ 1,809	$ 2,223
Work in process	61	64
Finished goods	261	203
Inventories, gross	2,131	2,490
Less: inventory reserves	(390)	(711)
Inventories, net	$ 1,741	$ 1,779

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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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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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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