Note 5 - Receivables (Tables)

12 Months Ended

Mar. 31, 2022

Notes To Financial Statements [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

			March 31, 2022		March 31, 2021
	Notes		$		$
Sales tax receivables				184		160
Government assistance		9		353		339
Interest receivable				11		13
Other receivables				—		18
Total receivables				548		530