BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2021	Jun. 30, 2020
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 2	$ 6
Common shares, par value	$ 0.00	$ 0.00
Common shares, authorized	50,000,000	50,000,000
Common shares, issued	3,645,660	3,811,137
Common shares, outstanding	3,645,660	3,811,137