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NOTE 10 - CONTRACTS WITH CUSTOMERS AND REVENUE CONCENTRATION (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Revenue from Contract with Customer [Abstract]    
Contract with Customer, Asset, Accumulated Allowance for Credit Loss $ 1,467 $ 425
Contract with Customer, Asset, Net 14,291 12,032
Capitalized Contract Cost, Gross 3,675 636
Amortization of Deferred Sales Commissions 1,079 $ 2,210
Deferred Revenue 12,206  
Revenue, Remaining Performance Obligation, Amount $ 52,475  
Revenue, Remaining Performance Obligation, Percentage 56.00%  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 2 12 months