Quarterly report pursuant to Section 13 or 15(d)

4. STOCKHOLDERS' EQUITY (Details 1)

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4. STOCKHOLDERS' EQUITY (Details 1)
9 Months Ended
Sep. 30, 2016
$ / shares
shares
Shares  
Outstanding at beginning of period | shares 1,464,203
Forfeited | shares (21,334)
Expired | shares (8,666)
Granted | shares 100,984
Outstanding at end of period and expected to vest | shares 1,535,187
Options exercisable | shares 1,102,900
Weighted Average Exercise Price  
Outstanding at beginning of period | $ / shares $ 8.02
Forfeited | $ / shares 8.02
Expired | $ / shares 7.88
Granted | $ / shares 6.20
Outstanding at end of period and expected to vest | $ / shares 7.90
Options exercisable | $ / shares $ 7.54