Warranty costs (Tables)

3 Months Ended

Jun. 30, 2022

Warranty Costs [Abstract]

Schedule of warranty costs

	June 30, 2022 $			March 31, 2022 $
Balance, beginning of period		865,451			2,425,107
Provision for warranty, net of expirations		181,600			(731,529	)
Warranty recoveries (costs)		(115,755	)		(828,127	)
Balance, end of period		931,296			865,451