RELATED PARTY TRANSACTIONS (Details) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020 USD ($)	Sep. 30, 2020 USD ($)
Director \| Bulgaria Manufacturing Plant Purchase
Related Party Transaction [Line Items]
Notes payable	$ 140	$ 140
Term of payment due		5 years
Co-venturer
Related Party Transaction [Line Items]
Purchases from related party	410	$ 1,250
Due to related parties	$ 123	$ 123

Carrying amount as of the balance sheet date of obligations due all related parties.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant