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Long-Term Debt - Schedule of Maturities of Long-Term Debt (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Sep. 30, 2018
Year Ending September 30,    
2020 $ 400  
2021 400  
2022 0  
2023 0  
2024 0  
Total long-term debt maturities $ 800 $ 1,200