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7. STOCK-BASED COMPENSATION (Details-Outstanding options and warrants) - Stock Options
$ / shares in Units, $ in Thousands
 9 Months Ended
Sep. 30, 2016
USD ($)
$ / shares
shares
STOCK BASED COMPENSATION  
Begining Balance | shares 931,667
Granted | shares 170,626
Exercised | shares (576,667)
Canceled or expired | shares (150,000)
Ending Balance | shares 375,626
Exercisable at the end | shares 191,667
Weighted Average Exercise price Per Common Share  
Begining Balance | $ / shares $ 4.69
Granted | $ / shares 6.01
Exercised | $ / shares 2.96
Canceled or expired | $ / shares 7.51
Ending Balance | $ / shares 6.82
Exercisable at the end | $ / shares $ 7.89
Weighted Average Remaining Contractual Life  
Ending Balance 4 years 9 months 15 days
Exercisable at the end 1 year 1 month 10 days
Aggregate Intrinsic Value  
Aggregate value outstanding | $ $ 452,333
Aggregate value exercisable | $ $ 142,933