Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2021	Jun. 30, 2020
Current liabilities:
Net of unamortized debt issuance costs	$ 2,404	$ 2,484
Noncurrent liabilities:
Net of unamortized debt issuance costs	$ 4,760	$ 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	133,279,000	127,114,000
Common stock, shares outstanding	126,682,000	120,517,000
Treasury stock, shares	6,597,000	6,597,000