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Expenses by Nature - Summary of Operating Expenses Distributed by Nature (Details) - CAD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Feb. 07, 2018 | Mar. 31, 2018 | Mar. 31, 2017
Expense By Nature [Abstract] |  |  |
Employee compensation and benefits |  | $ 49,971 | $ 21,726
Raw materials used and consumables |  | 13,286 | 8,105
Other costs of sales |  | 12,340 | 5,603
Net valuation gains related to inventory and biological assets |  | (53,652) | (25,555)
Share-based compensation |  | 51,177 | 10,043
Acquisition-related costs | $ 43 | 3,406 | 7,369
Depreciation and amortization |  | 20,486 | 6,064
Legal and professional fees |  | 10,370 | 2,947
Royalties |  | 3,110 | 1,416
Consultants |  | 12,385 | 3,391
Facility expenses |  | 12,669 | 3,087
Patient assistance |  | 7,365 | 2,913
Marketing and promotion |  | 3,835 | 2,314
Office expenses |  | 6,454 | 1,986
Travel and other employee expenses |  | 5,141 | 1,672
Bank and payment processor fees |  | 1,886 | 897
Total |  | $ 160,229 | $ 53,978

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