XML 48 R37.htm IDEA: XBRL DOCUMENT v3.10.0.1
Share Based Payments - Additional Information (Details) - USD ($)
$ / shares in Units, shares in Millions
3 Months Ended 6 Months Ended
Aug. 31, 2018
Aug. 31, 2017
Aug. 31, 2018
Aug. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Proceeds from Stock Options Exercised     $ 100,000 $ 100,000
Stock options granted, term     10 years  
Stock options vesting period     3 years  
Annual percentage over three years     33.33%  
Employee Service Share-based Compensation, Tax Benefit from Exercise of Stock Options     $ 0 $ 0.00
Stock options weighted average grant date fair value     $ 2.27 $ 1.24
Shares available for future grants 2.0   2.0  
Restricted stock awards requisite service period     3 years  
Grant date fair value of shares vested     $ 600,000 $ 600,000
Compensation expenses $ 438,000 $ 707,000 901,000 $ 1,396,000
Unrecognized compensation cost $ 1,400,000   $ 1,400,000  
Compensation cost of weighted average period     1 year 8 months  
Other Compensation Plans        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares available for future grants 0.3   0.3  
Two Thousand Sixteen Equity Compensation Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares available for future grants 1.7   1.7  
Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expected Volatility:     51.30% 52.90%
Risk-Free Interest Rate:     2.60% 1.70%
Vesting dates of outstanding options     2018-07  
Expiration dates of options     2018-07  
Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expected Volatility:     53.20% 53.60%
Risk-Free Interest Rate:     2.80% 1.90%
Vesting dates of outstanding options     2021-03  
Expiration dates of options     2028-03