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Income Tax Rate Reconciliation (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2022
Reconciliation between the expected income tax provision applying the domestic federal statutory tax rate and the reported income tax provision      
Expected provision (benefit) for federal income taxes at the statutory rate $ (5,253) $ (11,080) $ (12,239)
State income taxes, net of federal benefit (2,065) (2,320) (1,971)
Impairment of non-deductible goodwill 0 0 1,132
Charges without tax benefit 384 358 265
Change in valuation allowance 8,542 12,595 17,943
Excess tax expense (benefit) on stock-based compensation (61) 1,216 1,019
Research and development and other tax credits (1,299) (1,175) (613)
Foreign tax differential 388 50 (232)
Federal rate differential net operating loss carryback 0 0 141
Change in uncertain tax positions (81) (90) (120)
Other (591) 46 292
Provision (benefit) for federal, state and foreign income taxes $ (36) $ (400) 5,617
Amount of non-deductible goodwill impaired.     $ 5,400