Annual report pursuant to Section 13 and 15(d)

Liabilities - Accrued Expenses and Other Current Liabilities (Details)

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Liabilities - Accrued Expenses and Other Current Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Sep. 30, 2017
Liabilities [Abstract]    
Accrued payroll and benefits $ 12,802 $ 13,364
Treasury stock purchase obligation 569 2,569
Accrued insurance costs 1,750 1,198
Other current liabilities 2,399 2,905
Total accrued expenses and other current liabilities $ 17,520 $ 20,036