Fair Value Measurements Stock Warrant (Details) $ in Thousands	12 Months Ended
	Sep. 30, 2016 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Balance at beginning of period, Total	$ 6,207
Change in fair value, Total	112
Balance at the end of period, Total	6,319
Convertible Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Balance at September 30, 2015	5,337
Change in fair value	437
Balance at September 30, 2016	5,774
Warrant [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Balance at September 30, 2015	59
Change in fair value	(14)
Balance at September 30, 2016	45
Contingent Consideration
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Balance at September 30, 2015	811
Change in fair value	(311)
Balance at September 30, 2016	$ 500