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Revolving Credit Facility and Term Loan (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Sep. 30, 2018
Revolving Credit Facility and Term Loan (Details)    
Term loan $ 41,905 $ 44,505
Unamortized debt discount (1,208) (1,921)
Term loan, net of discount 40,697 42,584
Short-term portion of term loan, net of discount 4,668 2,331
Long term portion of term loan, net of discounts $ 36,029 $ 40,253