v3.8.0.1
6. STOCK BASED COMPENSATION (Details - Restricted stock) - Restricted Stock [Member]
shares in Thousands
3 Months Ended
Mar. 31, 2018
$ / shares
shares
Number of shares  
Restricted stock outstanding, beginning balance | shares 121
Restricted stock granted | shares 200
Restricted stock vested | shares (5)
Restricted stock outstanding, ending balance | shares 316
Weighted-Average Grant Date Fair Value  
Restricted stock outstanding, beginning balance | $ / shares $ 6.90
Restricted stock granted | $ / shares 5.64
Restricted stock vested | $ / shares 7.01
Restricted stock outstanding, ending balance | $ / shares $ 6.10