Unaudited Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2020	Jun. 30, 2020
Statement of Financial Position [Abstract]
Accounts receivable, net of allowances for doubtful accounts and returns	$ 1,363	$ 1,336
Preferred Stock, $.001 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, $.001 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)	48,560,000	48,147,000
Common stock, outstanding shares (in shares)	42,660,000	42,172,000
Treasury stock (in shares)	5,900,000	5,975,000