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INVENTORIES (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Inventory Disclosure [Abstract]
Raw materials	$ 2,151	$ 2,049
Work in process	3,463	1,949
Finished goods	46	46
Provision for excess and obsolete inventory	(412)	(366)
Total inventories	$ 5,248	$ 3,678

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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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