Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation (Details 2)

v3.10.0.1
Stock-based Compensation (Details 2) - Restricted Stock Units (RSUs) [Member]
shares in Thousands
 6 Months Ended
Jun. 30, 2018
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]  
Unvested - Number of Shares | shares 617
Granted - Number of Shares | shares 79
Vested - Number of Shares | shares (548)
Forfeited - Number of Shares | shares (70)
Unvested - Number of Shares | shares 78
Unvested - Weighted- Average Grant Date Fair Value | $ / shares $ 1.65
Granted - Weighted- Average Grant Date Fair Value | $ / shares 1.78
Vested - Weighted- Average Grant Date Fair Value | $ / shares 1.40
Forfeited - Weighted- Average Grant Date Fair Value | $ / shares 2.85
Unvested - Weighted- Average Grant Date Fair Value | $ / shares $ 2.40