XML 61 R43.htm IDEA: XBRL DOCUMENT v3.7.0.1
CONVERTIBLE REDEEMABLE PREFERRED STOCK AND STOCKHOLDERS’ EQUITY - Range of Exercise Price (Details) - USD ($)
12 Months Ended
Jan. 31, 2017
Jan. 31, 2016
Options Outstanding    
Number Outstanding (in shares) 7,125,829  
Weighted Average Remaining Contractual Life 8 years 9 months 7 days  
Weighted Average Exercise Prices (in dollars per share) $ 0.83  
Options Exercisable    
Number Vested and Exercisable (in shares) 2,324,548  
Weighted Average Exercise Prices (in dollars per share) $ 1.06  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures    
Total intrinsic value of options exercised $ 65,000 $ 1,400,000
$0.20 - $0.35    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range    
Exercise prices, low end of range (in dollars per share) $ 0.20  
Exercise prices, high end of range (in dollars per share) $ 0.35  
Options Outstanding    
Number Outstanding (in shares) 658,108  
Weighted Average Remaining Contractual Life 6 years 8 months 1 day  
Weighted Average Exercise Prices (in dollars per share) $ 0.31  
Options Exercisable    
Number Vested and Exercisable (in shares) 524,042  
Weighted Average Exercise Prices (in dollars per share) $ 0.32  
$0.36 - $0.65    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range    
Exercise prices, low end of range (in dollars per share) 0.36  
Exercise prices, high end of range (in dollars per share) $ 0.65  
Options Outstanding    
Number Outstanding (in shares) 4,093,667  
Weighted Average Remaining Contractual Life 9 years 7 months 6 days  
Weighted Average Exercise Prices (in dollars per share) $ 0.53  
Options Exercisable    
Number Vested and Exercisable (in shares) 519,167  
Weighted Average Exercise Prices (in dollars per share) $ 0.61  
$0.66 - $1.09    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range    
Exercise prices, low end of range (in dollars per share) 0.66  
Exercise prices, high end of range (in dollars per share) $ 1.09  
Options Outstanding    
Number Outstanding (in shares) 734,054  
Weighted Average Remaining Contractual Life 7 years 6 months 4 days  
Weighted Average Exercise Prices (in dollars per share) $ 0.91  
Options Exercisable    
Number Vested and Exercisable (in shares) 402,698  
Weighted Average Exercise Prices (in dollars per share) $ 0.90  
$1.10 - $1.85    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range    
Exercise prices, low end of range (in dollars per share) 1.10  
Exercise prices, high end of range (in dollars per share) $ 1.85  
Options Outstanding    
Number Outstanding (in shares) 1,540,000  
Weighted Average Remaining Contractual Life 8 years 1 month 6 days  
Weighted Average Exercise Prices (in dollars per share) $ 1.68  
Options Exercisable    
Number Vested and Exercisable (in shares) 784,892  
Weighted Average Exercise Prices (in dollars per share) $ 1.70  
$1.86 - $3.00    
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range    
Exercise prices, low end of range (in dollars per share) 1.86  
Exercise prices, high end of range (in dollars per share) $ 3.00  
Options Outstanding    
Number Outstanding (in shares) 100,000  
Weighted Average Remaining Contractual Life 8 years 3 months  
Weighted Average Exercise Prices (in dollars per share) $ 3.00  
Options Exercisable    
Number Vested and Exercisable (in shares) 93,749  
Weighted Average Exercise Prices (in dollars per share) $ 3.00