Supporting Financial Information - Equipment and Improvements, net (Details) - USD ($)	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Property, Plant and Equipment [Line Items]
Furniture and equipment	$ 326,000	$ 331,000
Computer equipment	751,000	715,000
Computer software	1,731,000	1,108,000
Leasehold improvements	66,000	66,000
Total fixed assets	2,874,000	2,220,000
Less accumulated depreciation and amortization	(1,308,000)	(829,000)
Equipment and improvements, net	1,566,000	1,391,000
New Enterprise Resource Planning (ERP) System
Property, Plant and Equipment [Line Items]
Capitalized computer software	$ 1,300,000.0	700,000
Estimated amortization period of capitalized computer software	5 years
Leasehold Improvements | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful lives of property and equipment	3 years
Leasehold Improvements | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful lives of property and equipment	7 years
Equipment
Property, Plant and Equipment [Line Items]
Depreciation	$ 479,000	$ 287,000