BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2018
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 0	$ 14
Common shares, par value	$ 0.00	$ 0.00
Common shares, authorized	50,000,000	50,000,000
Common shares, issued	4,039,491	4,331,089
Common shares, outstanding	4,039,491	4,331,089