Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Schedule of Share-based Compensation, Shares Outstanding under Stock Option Plans, by Exercise Price Range (Details)

v3.7.0.1
Stockholders' Equity - Schedule of Share-based Compensation, Shares Outstanding under Stock Option Plans, by Exercise Price Range (Details)
 6 Months Ended
Jun. 30, 2017
$ / shares
shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Outstanding Number of Options 7,839,265
Options Exercisable, Weighted Exercise Average Remaining Life In Years 2 years 4 months 24 days
Options Exercisable, Exercisable Number of Options 2,992,456
Exercise Price Range 2.20 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Weighted Exercise Average Price | $ / shares $ 2.20
Options Outstanding, Outstanding Number of Options 3,031,890
Options Exercisable, Exercisable Number of Options 1,324,303
Exercise Price Range 2.20 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Exercisable, Weighted Exercise Average Remaining Life In Years 3 years 2 months 12 days
Exercise Price Range 2.48 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Weighted Exercise Average Price | $ / shares $ 2.48
Options Outstanding, Outstanding Number of Options 4,772,375
Options Exercisable, Weighted Exercise Average Remaining Life In Years 2 years 2 months 12 days
Options Exercisable, Exercisable Number of Options 1,663,153
Exercise Price Range 3.30 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Weighted Exercise Average Price | $ / shares $ 3.30
Options Outstanding, Outstanding Number of Options 10,000
Options Exercisable, Weighted Exercise Average Remaining Life In Years 2 years 10 months 25 days
Options Exercisable, Exercisable Number of Options 5,000
Exercise Price Range 3.50 [Member]  
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Options Outstanding, Weighted Exercise Average Price | $ / shares $ 3.50
Options Outstanding, Outstanding Number of Options 25,000
Options Exercisable, Weighted Exercise Average Remaining Life In Years 0 years
Options Exercisable, Exercisable Number of Options