Quarterly report pursuant to Section 13 or 15(d)

Debt (The Credit Agreement) (Details)

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Debt (The Credit Agreement) (Details) - USD ($)
Feb. 09, 2023
Oct. 11, 2022
Jan. 31, 2023
Dec. 31, 2022
Oct. 10, 2022
Jun. 30, 2022
Nov. 01, 2021
Secured Term Loan              
Debt Instrument [Line Items]              
Secured term loan       $ 16,125,000   $ 22,375,000 $ 22,375,000
Deferred finance costs       114,000   214,000  
Interest rate (as percent)             3.25%
Debt balance       $ 16,011,000   $ 22,161,000  
College Station Investors LLC And Bryan Capital [Member] | Secured Term Loan              
Debt Instrument [Line Items]              
Secured term loan             $ 22,375,000
Woodforest [Member]              
Debt Instrument [Line Items]              
Unrestricted cash     $ 7,500,000        
Percentage of net proceeds to be paid 40.00%            
Time within which payment is to be made 10 days            
Woodforest [Member] | Amended Credit Agreement [Member]              
Debt Instrument [Line Items]              
Debt amortization payment   $ 250,000          
Amendment fee   22,375          
Liquidity covenant, amount   7,500,000     $ 10,000,000    
Woodforest [Member] | Amended Credit Agreement [Member] | Date Of Amendment [Member]              
Debt Instrument [Line Items]              
Principal payment   5,500,000          
Woodforest [Member] | Amended Credit Agreement [Member] | Within Two Business Days Of Frunhofer Legal Settlement [Member]              
Debt Instrument [Line Items]              
Principal payment   5,100,000          
Woodforest [Member] | Amended Credit Agreement [Member] | Occurrence Of Specific Milestone [Member]              
Debt Instrument [Line Items]              
Liquidity covenant, amount   $ 5,000,000.0