Supporting Financial Information - Accrued Payroll (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Document Fiscal Year Focus	2016
Accrued payroll related to billed receivables	$ 3,616	$ 2,259
Accrued payroll related to unbilled accounts receivable	0	536
Total accrued payroll	$ 3,616	$ 2,795