Income Taxes - Tax Effect of Temporary Differences of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Jun. 30, 2020
Deferred Tax Assets:
Net operating loss carryforwards	$ 217,216	$ 322,602
Accruals and allowances not deductible for tax purposes	1,411	2,990
Stock based compensation	621	594
Unrealized loss on investment	5,326	5,422
Lease liability	1,436	1,430
Deferred Gain	11,482
Interest expense carryforward		1,111
Total deferred tax assets, gross	237,492	334,149
Less: valuation allowance	(231,777)	(325,943)
Total deferred tax assets, net	5,715	8,206
Deferred Tax Liabilities:
Right to use asset	(1,348)	(1,372)
Acquired intangibles	(207)	(1,879)
Convertible debt discount	(2,990)	(3,123)
Lease receivable		(385)
Goodwill	(1,696)	(1,055)
Acquired indefinite lived assets		(713)
Total deferred tax liabilities	(6,241)	(8,527)
Total deferred tax liabilities, net (indefinite-lived assets)	$ (526)	$ (321)