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Income Taxes - Additional Information (Details) - USD ($)
12 Months Ended
Nov. 30, 2022
Nov. 30, 2021
Nov. 30, 2020
Income Tax Examination [Line Items]      
Current income tax expense (benefit) $ 0 $ 100,000  
Increase in valuation allowance 54,800,000 36,100,000  
Net operating loss unutilized amount 400,000    
Unrecognized tax benefits 10,261,000 6,331,000 $ 5,361,000
Unrecognized tax benefits that would impact effective tax rate 0    
Interest and penalties accrued 0    
Decrease in R&D credit carryforward $ 1,300,000    
CARES act of 2020, net operating loss carryback refund claim   $ 19,600,000  
CARES act of 2020, net operating loss carryback period 5 years    
Federal      
Income Tax Examination [Line Items]      
NOL carryforwards $ 276,300,000    
Net operating losses carry forward period 20 years    
NOL carryforwards, expiration year 2029    
NOL carryforwards, indefinitely $ 272,900,000    
Period open for examination 3 years    
Federal | Research      
Income Tax Examination [Line Items]      
Tax credit carryforwards $ 22,100,000    
Credit carryforwards, expiration year 2032    
State Authorities      
Income Tax Examination [Line Items]      
NOL carryforwards $ 299,600,000    
NOL carryforwards, expiration year 2029    
Period open for examination 4 years    
State Authorities | Research      
Income Tax Examination [Line Items]      
Tax credit carryforwards $ 15,200,000    
Credit carryforwards, expiration period indefinitely