Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
3 Months Ended 9 Months Ended
Nov. 30, 2018
Nov. 30, 2017
Nov. 30, 2018
Nov. 30, 2017
Cash Flows from Operating Activities        
Net loss $ (2,913,761) $ (6,703,653) $ (9,981,702) $ (10,402,707)
Adjustments to reconcile net loss to net cash used in operating activities:        
Depreciation and amortization 155,053 98,755 366,710 281,016
Stock-based compensation expense     3,162,045 5,323,917
Changes in operating assets and liabilities:        
Sales tax and tax credits receivable     67,606 (2,831)
Prepaid expenses     446,770 (15,518)
Accounts payable and accrued liabilities     483,254 1,000,680
Advances from majority stockholder     (360,000)
Net cash used in operating activities     (5,455,317) (4,175,443)
Cash Flows from Investing Activities        
Additions to property, plant and equipment     (1,428,174) (273,550)
Additions to intangible assets     (95,179)
Net cash used in investing activities     (1,523,353) (273,550)
Cash Flows from Financing Activities        
Proceeds from sales of convertible debt     2,450,000
Convertible debt subscriptions     100,000
Repayment of long-term debt     (39,471)
Proceeds from sales of common shares and exercise of warrants, net of share issuance costs     7,228,393
Repayment of advances from majority stockholder     (205,592)
Net cash (used) provided by financing activities     2,510,529 7,022,801
Effect of exchange rate changes     (53,314) (50,527)
Net change in cash and restricted cash     (4,521,455) 2,523,281
Cash and restricted cash, beginning of period     8,149,713 916,487
Cash and restricted cash, end of period 3,628,258 3,439,768 3,628,258 3,439,768
Comprises of:        
Cash 3,528,258 3,400,973 3,528,258 3,400,973
Restricted cash 100,000 38,795 100,000 38,795
Cash and restricted cash $ 3,628,258 $ 3,439,768 3,628,258 3,439,768
Supplemental Disclosure of Cash Flow Information:        
Income tax paid    
Interest paid     $ 41,117