Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2018	Jun. 30, 2018
Statement of Financial Position [Abstract]
Accounts receivable, net of allowances for doubtful accounts and returns	$ 1,011	$ 996
Preferred Stock, $.001 par value	$ 0.001	$ 0.001
Preferred Stock, Authorized shares	4,000,000	4,000,000
Preferred Stock, Issued shares	0	0
Preferred Stock, Outstanding shares	0	0
Common Stock, $.001 par value	$ 0.001	$ 0.001
Common Stock, Authorized shares	100,000,000	100,000,000
Common Stock, Issued shares	46,468,000	44,834,000
Common Stock, Outstanding shares	40,738,000	39,028,000
Treasury stock, shares	5,730,000	5,806,000