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Income Taxes (Details 3) - USD ($)
Feb. 28, 2019
Feb. 28, 2018
Deferred tax assets    
Canada net operating loss carry forward $ 2,026,984 $ 1,127,381
U.S. net operating loss carry forward 3,165,937 1,377,008
Accrual and reserves 118,309 0
Property, plant and equipment 0 136,200
Research and development expenditures and credits 1,058,010 472,608
Unrealized foreign exchange 0 9,462
Other 38,418 0
Deferred tax assets 6,407,658 3,122,659
Deferred tax liabilities    
Property, plant and equipment (41,636) (2,367)
Intangibles (34,785) (1,489)
Accrual and reserves 0 (49,236)
Investment tax credits 0 0
Unrealized foreign exchange 0 (8,697)
Deferred tax liabilities (76,421) (61,789)
Deferred tax asset 6,331,239 3,060,870
Valuation allowance (6,331,239) (3,060,870)
Deferred tax asset, net $ 0 $ 0