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Debt Financing and Revolving Credit Facilities (Long-Term Debt) (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
May 14, 2021
Nov. 24, 2020
Debt Instrument [Line Items]        
Total Debt $ 97,687 $ 89,221    
Total debt, net of discount and deferred financing costs 88,572 79,484    
Less amounts due within one year 0 0    
Long-term debt, net of current portion 88,572 79,484    
M&T Credit Agreement [Member]        
Debt Instrument [Line Items]        
Total Debt 7,707 7,917    
Siena Loan Agreement [Member]        
Debt Instrument [Line Items]        
Total Debt 32,339 24,026    
Term Loan Credit Agreement [Member]        
Debt Instrument [Line Items]        
Total Debt 57,641 57,278    
discount (6,623) (7,077)    
deferred financing costs $ (2,492) $ (2,660) $ (480) $ (2,872)