Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Details 3)

v3.3.1.900
Stockholders' Equity (Details 3)
 12 Months Ended
Dec. 31, 2015
$ / shares
shares
Number of Options Outstanding 11,931,309
Number of Options Exercisable 7,168,642
Exercise Price $0.74 - $1.13 [Member]  
Number of Options Outstanding 8,084,067
Options Outstanding Weighted - Average Remaining Contractual Life (in years) 8 years 1 month 20 days
Options Outstanding Weighted - Average Exercise Price | $ / shares $ 0.98
Number of Options Exercisable 3,653,400
Options Exercisable Weighted - Average Remaining Contractual Life 6 years 10 months 13 days
Options Exercisable Weighted - Average Exercise Price | $ / shares $ 1.02
Exercise Price $1.16 - $2.09 [Member]  
Number of Options Outstanding 3,791,117
Options Outstanding Weighted - Average Remaining Contractual Life (in years) 6 years 2 months 8 days
Options Outstanding Weighted - Average Exercise Price | $ / shares $ 1.69
Number of Options Exercisable 3,459,117
Options Exercisable Weighted - Average Remaining Contractual Life 5 years 10 months 13 days
Options Exercisable Weighted - Average Exercise Price | $ / shares $ 1.72
Exercise Price $3.20 - $9.64 [Member]  
Number of Options Outstanding 56,125
Options Outstanding Weighted - Average Remaining Contractual Life (in years) 6 years 7 months 10 days
Options Outstanding Weighted - Average Exercise Price | $ / shares $ 7.95
Number of Options Exercisable 56,125
Options Exercisable Weighted - Average Remaining Contractual Life 6 years 7 months 10 days
Options Exercisable Weighted - Average Exercise Price | $ / shares $ 7.95