Unaudited Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2022	Jun. 30, 2021
Statement of Financial Position [Abstract]
Accounts receivable, net of allowances for doubtful accounts and returns	$ 747	$ 1,304
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, authorized shares (in shares)	4,000,000	4,000,000
Preferred stock, issued shares (in shares)	0	0
Preferred stock, outstanding shares (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, authorized shares (in shares)	100,000,000	100,000,000
Common stock, issued shares (in shares)	50,003,000	49,294,000
Common stock, outstanding shares (in shares)	42,943,000	43,237,000
Treasury stock (in shares)	7,060,000	6,057,000