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7. STOCK-BASED COMPENSATION (Details) - RSA
3 Months Ended
Mar. 31, 2016
$ / shares
shares
Unvested shares as of January 1, 2016 | shares 2,514,434
Vested on January 1, 2016 | shares (76,744)
Unvested shares as of March 31, 2016 | shares 2,437,690
Weighted Average Grant-Date Fair Value  
Beginning of period | $ / shares $ .87
Vested on January 1, 2016 | $ / shares 3.02
End of period | $ / shares $ .80