Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details 3)

v3.10.0.1
Stockholders' Equity (Details 3) - $ / shares
 6 Months Ended 12 Months Ended
Jun. 30, 2018
Dec. 31, 2017
Weighted Average Remaining Contractual Life - Years 7 years 11 months 1 day 8 years 4 months 14 days
Number of options outstanding 3,970,739 3,976,884
Weighted Average Exercise Price Stock Options Outstanding $ 3.51 $ 3.58
Number of Awards Vested 3,585,055 2,434,148
Weighted Average Exercise Price $ 3.60 $ 4.84
Weighted Average Remaining Contractual Life of Stock Options Vested 7 years 10 months 10 days 7 years 8 months 12 days
Range One [Member]    
Exercise price lower range limit $ 1.05 $ 1.05
Exercise price upper range limit $ 2.00 $ 2.00
Weighted Average Remaining Contractual Life - Years 9 years 22 days 9 years 6 months 21 days
Number of options outstanding 2,528,666 2,528,666
Weighted Average Exercise Price Stock Options Outstanding $ 1.18 $ 1.18
Number of Awards Vested 2,318,030 1,197,708
Weighted Average Exercise Price $ 1.19 $ 1.33
Weighted Average Remaining Contractual Life of Stock Options Vested 9 years 15 days 9 years 3 months 11 days
Range Two [Member]    
Exercise price lower range limit $ 2.01 $ 2.01
Exercise price upper range limit $ 6.00 $ 6.00
Weighted Average Remaining Contractual Life - Years 7 years 4 months 9 days 7 years 10 months 10 days
Number of options outstanding 821,174 821,174
Weighted Average Exercise Price Stock Options Outstanding $ 4.59 $ 4.59
Number of Awards Vested 651,429 651,429
Weighted Average Exercise Price $ 4.58 $ 4.58
Weighted Average Remaining Contractual Life of Stock Options Vested 7 years 4 months 9 days 7 years 10 months 10 days
Range Three [Member]    
Exercise price lower range limit $ 6.01 $ 6.01
Exercise price upper range limit $ 20.00 $ 20.00
Weighted Average Remaining Contractual Life - Years 4 years 7 months 17 days 5 years 1 month 13 days
Number of options outstanding 505,694 505,694
Weighted Average Exercise Price Stock Options Outstanding $ 7.47 $ 7.47
Number of Awards Vested 500,391 463,661
Weighted Average Exercise Price $ 7.58 $ 7.58
Weighted Average Remaining Contractual Life of Stock Options Vested 4 years 7 months 6 days 4 years 11 months 4 days
Range Four [Member]    
Exercise price lower range limit $ 20.00 $ 20.01
Exercise price upper range limit $ 43.25 $ 45.00
Weighted Average Remaining Contractual Life - Years 1 year 2 months 8 days 1 year 7 months 28 days
Number of options outstanding 115,205 118,016
Weighted Average Exercise Price Stock Options Outstanding $ 29.85 $ 29.85
Number of Awards Vested 115,205 118,016
Weighted Average Exercise Price $ 29.54 $ 29.85
Weighted Average Remaining Contractual Life of Stock Options Vested 1 year 2 months 8 days 1 year 7 months 28 days
Range Five [Member]    
Exercise price lower range limit   $ 45.01
Exercise price upper range limit   $ 72.00
Weighted Average Remaining Contractual Life - Years   2 months 5 days
Number of options outstanding   3,334
Weighted Average Exercise Price Stock Options Outstanding   $ 50.25
Number of Awards Vested   3,334
Weighted Average Exercise Price   $ 50.25
Weighted Average Remaining Contractual Life of Stock Options Vested   2 months 5 days