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NOTE 2 - SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2016
Jun. 30, 2016
Dec. 31, 2015
NOTE 2 - SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items]          
Cash and Cash Equivalents, at Carrying Value $ 30,419   $ 12,767 $ 283 $ 1,158
Line of Credit [Member] | Wells Fargo Bank, N.A. [Member]          
NOTE 2 - SIGNIFICANT ACCOUNTING POLICIES (Details) [Line Items]          
Line of Credit Facility, Remaining Borrowing Capacity $ 4,521 $ 3,000 $ 3,000