Annual report pursuant to Section 13 and 15(d)

Stock-based Compensation (Details 1)

v3.8.0.1
Stock-based Compensation (Details 1) - 2014 Plan [Member]
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2017
USD ($)
$ / shares
shares
Options Outstanding  
Options Outstanding, Beginning Balance | shares 2,477
Options Outstanding, Options Granted | shares 1,112
Options Outstanding, Options Exercised | shares (82)
Options Outstanding, Options Forfeited | shares (200)
Options Outstanding, Options Expired | shares (151)
Options Outstanding, Ending Balance | shares 3,156
Options Outstanding, Vested and expected to vest | shares 3,156
Options Outstanding, Exercisable | shares 1,581
Weighted Average Exercise Price, Beginning Balance | $ / shares $ 6.50
Weighted Average Exercise Price, Options Granted | $ / shares 1.79
Weighted Average Exercise Price, Options Exercised | $ / shares 0.57
Weighted Average Exercise Price, Options Forfeited | $ / shares 7.04
Weighted Average Exercise Price, Options Expired | $ / shares 6.46
Weighted Average Exercise Price, Ending Balance | $ / shares 4.96
Weighted Average Exercise Price, Vested and expected to vest | $ / shares 4.96
Weighted Average Exercise Price, Exercisable | $ / shares $ 6.35
Weighted Average Remaining Contractual Life (Years), Ending Balance 7 years 8 months 5 days
Weighted Average Remaining Contractual Life (Years), Vested and expected to vest 7 years 8 months 5 days
Weighted Average Remaining Contractual Life (Years), Exercisable 6 years 4 months 20 days
Aggregate Intrinsic Value, Ending Balance | $ $ 683
Aggregate Intrinsic Value, Vested and expected to vest | $ 683
Aggregate Intrinsic Value, Exercisable | $ $ 53