Supporting Financial Information - Equipment and Improvements, net (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Property, Plant and Equipment [Line Items]
Furniture and equipment	$ 638	$ 197
Computer equipment	202	162
Computer software	309	297
Leasehold improvements	38	63
Total fixed assets	1,187	719
Less accumulated depreciation and amortization	(543)	(383)
Equipment and improvements, net	$ 644	$ 336
Leasehold Improvements | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives	3 years	3 years
Leasehold Improvements | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives	7 years	7 years
Equipment
Property, Plant and Equipment [Line Items]
Depreciation, Depletion and Amortization	$ 188	$ 55