Annual report pursuant to Section 13 and 15(d)

SHARE-BASED COMPENSATION - Summarizes information related to our common stock options (Details)

v3.8.0.1
SHARE-BASED COMPENSATION - Summarizes information related to our common stock options (Details) - Stock options
 12 Months Ended
Dec. 31, 2017
USD ($)
$ / shares
shares
Number of Stock Options  
Options outstanding, beginning of period (in shares) | shares 2,057,950
Granted (in shares) | shares 479,990
Exercised (in shares) | shares (46,666)
Canceled/Forfeited (in shares) | shares 0
Options outstanding, end of period (in shares) | shares 2,491,274
Options exercisable at end of period (in shares) | shares 1,327,068
Weighted Average Exercise Price  
Options outstanding, beginning of period (in USD per share) | $ / shares $ 1.42
Granted (in USD per share) | $ / shares 2.32
Exercised (in USD per share) | $ / shares 1.56
Canceled/Forfeited (in USD per share) | $ / shares 0.00
Options outstanding, end of period (in USD per share) | $ / shares 1.59
Options exercisable at end of period (in USD per share) | $ / shares $ 1.37
Options outstanding, weighted average remaining contractual term 7 years 9 months 5 days
Options outstanding, aggregate intrinsic value | $ $ 5,736,488
Options exercisable, weighted average remaining contractual term 7 years 2 months 27 days
Options exercisable, aggregate intrinsic value | $ $ 3,340,061