6. TREASURY STOCK (Details Narrative) $ in Thousands	3 Months Ended
Mar. 31, 2018 USD ($)
Equity [Abstract]
Stock repurchase program, amount authorized	$ 1,000
Stock repurchase program, expiration date	Mar. 31, 2019

Expiration date for the purchase of an entity's own shares under a stock repurchase plan, in the CCYY-MM-DD format.

No definition available.

Name:	us-gaap_StockRepurchaseProgramExpirationDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration