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11. STOCK-BASED COMPENSATION (Details-Outstanding options and warrants) - Options [Member]
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2017
USD ($)
$ / shares
shares
STOCK BASED COMPENSATION  
Begining Balance | shares 375,626
Granted | shares 209,523
Exercised | shares 0
Canceled, forfeited or expired | shares (165,000)
Ending Balance | shares 420,149
Exercisable at the end | shares 43,334
Weighted Average Exercise price Per Common Share  
Begining Balance | $ / shares $ 6.82
Granted | $ / shares 6.95
Exercised | $ / shares 0.00
Canceled, forfeited or expired | $ / shares 8.83
Ending Balance | $ / shares 6.10
Exercisable at the end | $ / shares $ 2.27
Weighted Average Remaining Contractual Life  
Ending Balance 7 years 8 months 26 days
Exercisable at the end 11 months 19 days
Aggregate Intrinsic Value  
Aggregate value outstanding | $ $ 1,722,210
Aggregate value exercisable | $ $ 339,503