Earnout Liability (Details) $ in Thousands	9 Months Ended
	Jun. 30, 2017 USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance
Initial value of earnout liability	9,575
Change in fair value of earnout liability	3,262
Foreign currency translation	331
Balance	$ 13,168