Stock Incentive Plan and Employee Stock Purchase Plan - Schedule of Option Activity Under the Company's Incentive Plan (Details) - Stock options - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Options Outstanding
Balance at the beginning of the year (in shares)	7,030	5,956	5,220
Options granted (in shares)	756	1,526	2,305
Options exercised (in shares)	(331)	(209)
Options forfeited/expired (in shares)	(402)	(243)	(1,569)
Balance at the end of the year (in shares)	7,053	7,030	5,956	5,220
Vested or Expected to vest at the end of the year (in shares)	7,053
Exercisable at the end of the year (in shares)	4,576
Weighted Average Exercise Price
Balance at the beginning of the year (in dollars per share)	$ 3.93	$ 3.82	$ 4.50
Options granted (in dollars per share)	2.05	4.48	2.64
Options exercised (in dollars per share)	3.69	4.09
Options forfeited/expired (in dollars per share)	4.05	4.40	4.36
Balance at the end of the year (in dollars per share)	3.73	$ 3.93	$ 3.82	$ 4.50
Vested or Expected to vest at the end of the year (in dollars per share)	3.73
Exercisable at the end of the year (in dollars per share)	$ 4.00
Weighted Average Remaining Contractual Life (In Years)
Balance	7 years 18 days	7 years 7 months 28 days	8 years 14 days	7 years 11 months 19 days
Vested or Expected to vest at the end of the year	7 years 18 days
Exercisable at the end of the year	6 years 3 months 7 days
Aggregate Intrinsic Value (in thousands)
Balance at the beginning of the year		$ 5,036	$ 0	$ 11
Exercisable at the end of the year	$ 0