Note 23 - Share-based Compensation Plans (Tables)

12 Months Ended

Mar. 31, 2019

Deferred share grants [member]

Statement Line Items [Line Items]

Disclosure of number and weighted average exercise prices of other equity instruments [text block]

	2019			2018
Balance, beginning of year		69,481			110,012
Less: Granted		(69,481	)		(40,531	)
Balance, end of year		-			69,481

Performance bonus grants [member]

Statement Line Items [Line Items]

Disclosure of number and weighted average exercise prices of other equity instruments [text block]

	2019			2018
Balance, beginning of year		2,270,480			2,650,513
Less: Granted		(331,196	)		(812,787	)
Add: Cancelled/forfeited		243,018			432,754
Balance, end of year		2,182,302			2,270,480

Restricted share grants [member]

Statement Line Items [Line Items]

Disclosure of number and weighted average exercise prices of other equity instruments [text block]

	2019			2018
Balance, beginning of year		3,004,624			4,107,830
Less: Granted		(788,211	)		(1,716,743	)
Add: Cancelled/forfeited		501,361			613,537
Balance, end of year		2,717,774			3,004,624