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INVENTORIES (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Inventory Disclosure [Abstract]
Raw materials	$ 2,309	$ 2,049
Work in process	2,628	1,949
Finished goods	46	46
Provision for excess and obsolete inventory	(429)	(366)
Total inventories	$ 4,554	$ 3,678

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