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Revolving Credit Facility and Term Loan (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Sep. 30, 2019
Revolving Credit Facility and Term Loan    
Term loan $ 41,578 $ 41,905
Unamortized debt discount (806) (1,208)
Term loan, net of discount 40,772 40,697
Short-term portion of term loan, net of discounts 4,668
Long term portion of term loan, net of discounts $ 40,772 $ 36,029