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Debt Financing and Revolving Credit Facilities (Long-Term Debt) (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
May 14, 2021
Nov. 24, 2020
Debt Instrument [Line Items]        
Total Debt $ 90,454 $ 89,221    
Total debt, net of discount and deferred financing costs 81,960 79,484    
Less amounts due within one year 0 0    
Long-term debt, net of current portion 81,960 79,484    
M&T Credit Agreement [Member]        
Debt Instrument [Line Items]        
Total Debt 7,444 7,917    
Siena Loan Agreement [Member]        
Debt Instrument [Line Items]        
Total Debt 25,010 24,026    
Term Loan Credit Agreement [Member]        
Debt Instrument [Line Items]        
Total Debt 58,000 57,278    
discount (6,170) (7,077)    
deferred financing costs $ (2,324) $ (2,660) $ (480) $ (2,872)