CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2021	Jun. 30, 2021
Statement of Financial Position [Abstract]
Accounts receivable, net of allowance for doubtful accounts	$ 4	$ 2
Common shares, no par value	$ 0	$ 0
Common shares, authorized	50,000,000	50,000,000
Common shares, issued	3,641,983	3,645,660
Common shares, outstanding	3,641,983	3,645,660