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Income Taxes - Components of the Net Deferred Tax (Liability) and Asset (Detail) - USD ($) $ in Thousands | Sep. 30, 2021 | Sep. 30, 2020
--- | --- | ---
Deferred Tax Assets |  |
Accrued Compensation | $ 2,371 | $ 2,086
Stock Compensation | 22,454 | 10,937
Capitalized Research & Development | 324 | 625
California Alternative Minimum Tax | 179 | 179
Net Operating Losses | 185,431 | 151,007
Intangible Assets | 3,562 | 2,818
Deferred Revenue |  | 1,702
Right of Use Assets/Lease Liabilities | 1,938 | 1,016
Capital Loss |  | 710
Total deferred tax assets | 216,259 | 171,080
Valuation allowance | (194,255) | (156,604)
Deferred tax liabilities: |  |
Fixed Assets | (6,360) | (2,547)
State taxes | (15,644) | (11,929)
Total deferred tax liability | $ (22,004) | $ (14,476)

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