Condensed Consolidated Balance Sheets (Parenthetical) (Unaudited) - USD ($) $ in Thousands	Dec. 31, 2020	Jun. 30, 2020
Current assets:
Allowance for doubtful accounts	$ 1,335	$ 1,212
Current liabilities:
Net of unamortized debt issuance costs	2,463	2,484
Noncurrent liabilities:
Net of unamortized debt issuance costs	$ 5,934	$ 7,165
Stockholders’ equity:
Convertible preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Convertible preferred stock, shares authorized	2,000,000	2,000,000
Convertible preferred stock, shares issued	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	750,000,000	750,000,000
Common stock, shares issued	130,180,000	127,114,000
Common stock, shares outstanding	123,583,000	120,517,000
Treasury stock, shares	6,597,000	6,597,000