Condensed Consolidated Balance Sheets (Parenthetical) (Unaudited) - USD ($) $ in Thousands	Dec. 31, 2019	Jun. 30, 2019
Current assets:
Allowance for doubtful accounts	$ 1,083	$ 1,054
Current liabilities:
Net of unamortized debt issuance costs	2,186	489
Noncurrent liabilities:
Net of unamortized debt issuance costs	$ 7,334	$ 1,261
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	124,616,000	121,538,000
Common stock, shares outstanding	118,400,000	119,172,000
Treasury stock, shares	6,216,000	2,366,000