Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt and Lines of Credit - Schedule of Long-term Debt, Net of Current Portion (Details)

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Long-Term Debt and Lines of Credit - Schedule of Long-term Debt, Net of Current Portion (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Sep. 30, 2020
Debt Instrument [Line Items]    
Less current portion $ 8,355 $ 9,145
Deferred Financing Costs, Net 1,027 1,151
Met Fixed-Rate Term Loans    
Debt Instrument [Line Items]    
Principal 70,000 83,438
Long Term Debt 70,000 83,438
Deferred Financing Costs, Net 548 621
Met Variable-Rate Term Loans    
Debt Instrument [Line Items]    
Principal 38,813 40,969
Long Term Debt 38,813 40,969
Deferred Financing Costs, Net 252 286
Met Citree Term Loan    
Debt Instrument [Line Items]    
Principal 4,325 4,512
Long Term Debt 4,325 4,512
Deferred Financing Costs, Net 33 36
Pru Loans A & B    
Debt Instrument [Line Items]    
Principal 14,227 15,097
Long Term Debt 14,227 15,097
Deferred Financing Costs, Net 194 207
Pru Loan E    
Debt Instrument [Line Items]    
Principal 4,070 4,235
Long Term Debt 4,070 4,235
Deferred Financing Costs, Net   1
Term Loans and PRU Loans    
Debt Instrument [Line Items]    
Principal 131,435 148,251
Less current portion 8,355 9,145
Long-term debt 123,080 139,106
Long Term Debt 131,435 148,251
Deferred Financing Costs, Net $ 1,027 $ 1,151