XML 38 R28.htm IDEA: XBRL DOCUMENT v3.7.0.1
STOCK-BASED COMPENSATION AND STOCK PLANS - Shares vested, expected to vest and exercisable (Details 2) - Stock Options
$ / shares in Units, $ in Thousands
6 Months Ended
Jun. 30, 2017
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Vested and unvested expected to vest shares | shares 10,566,460
Vested and unvested expected to vest, weighted-average exercise price | $ / shares $ 3.06
Vested and unvested expected to vest, weighted-average remaining contractual term (in years) 6 years 2 months 12 days
Vested and unvested expected to vest, aggregate intrinsic value | $ $ 479
Exercisable shares | shares 6,484,316
Exercisable, weighted-average exercise price | $ / shares $ 4.16
Exercisable, weighted-average remaining contractual term (in years) 4 years 3 months 18 days
Exercisable, aggregate intrinsic value | $ $ 37