Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Income Taxes [Line Items]
Loss from continuing operations, before provision for income taxes	$ 15,016,000	$ 6,844,000	[1]
Income tax expense	21,000	1,675,000	[1]
Income tax expense (benefit) from discontinued operations	$ 0	$ (111,000)
Statutory income tax rate	21.00%	21.00%
Decrease in valuation allowance	$ 27,600,000
Federal net operating loss carryforwards	821,067,000
Operating loss carryforward for state income tax	$ 211,000,000
Net operating loss carryforwards description	Under Internal Revenue Code Section 382, the utilization of a corporation's NOL carryforwards is limited following a change in ownership (as defined by the Internal Revenue Code) of greater than 50% within a rolling three-year period.
Tax benefits preservation agreement, minimum increase of collective ownership of aggregate amount of outstanding shares	50.00%
Tax benefits preservation agreement, ownership change period	3 years
Decrease in unrecognized tax benefits due to tax attributes		$ 3,700,000
Unrecognized tax benefits	$ 32,300,000	36,000,000.0
Interest accrued for tax liabilities	$ 0	0
Minimum | California
Income Taxes [Line Items]
Operating loss carryforwards expiration period	2029
Minimum | Massachusetts
Income Taxes [Line Items]
Operating loss carryforwards expiration period	2031
Maximum | California
Income Taxes [Line Items]
Operating loss carryforwards expiration period	2037
Maximum | Massachusetts
Income Taxes [Line Items]
Operating loss carryforwards expiration period	2038
Federal
Income Taxes [Line Items]
Income tax expense	$ 0	$ 0
Federal | Minimum
Income Taxes [Line Items]
Operating loss carryforwards expiration period	2023
Federal | Maximum
Income Taxes [Line Items]
Operating loss carryforwards expiration period	2037

[1] The As Reported column refects amounts originally reported in our Form 10-K filed on September 21, 2021. The As Adjusted column reflects recast amounts reported in our Form 8-K filed on May 5, 2022.