Stockholders' Equity (Tables)
9 Months Ended
Nov. 30, 2018
Stockholders Equity  
Schedule of common stock

For the nine months ended November 30, 2018   Number of shares     Amount  
Balance, February 28, 2018     33,751,088     $ 3,376  
Cashless exercise of warrants     18,821       2  
Issuance of shares upon vesting of restricted stock units     35,797       3  
Balance, November 30, 2018     33,805,706     $ 3,381