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NOTE 2 - ACCOUNTS RECEIVABLE, NET (Tables)
12 Months Ended
Dec. 31, 2016
Receivables [Abstract]  
Schedule of Accounts Receivable
    December 31,
2016
  December 31,
2015
 (in thousands)        
Trade accounts receivable   $4,821   $2,833
Less allowance for doubtful receivables   96   43
Trade accounts receivable, net   $4,725   $2,790
         
Changes in allowance for doubtful accounts
    December 31,
2016
  December 31,
2015
 (in thousands)        
Beginning balance   $43   $93
Bad debt expense (reversal)   55   (36)
Accounts written-off   (2)   (14)
Recoveries   -   -
Ending balance   $96   $43