Business Combination - Narrative (Details) - USD ($)		1 Months Ended		12 Months Ended
	Oct. 15, 2013	Feb. 28, 2015	Aug. 31, 2013	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2014
Business Acquisition [Line Items]
Proceeds from issuance of private placement			$ 3,016,000
Contingent consideration payable				$ 534,000	$ 0	$ 0
Increase in fair value of contingent consideration				12,000	0
Private Placement
Business Acquisition [Line Items]
Number of shares issued in private placement transaction			1,058,333
Certain Assets of a Tax Preparation and Accounting Business
Business Acquisition [Line Items]
Contingent consideration payable		$ 569,000		534,000
Earn-out period		48 months
Earn-out maximum		$ 640,000
Increase in fair value of contingent consideration				12,000
Payments on contingent consideration				$ 47,000
Gilman
Business Acquisition [Line Items]
Number of shares issued for merger	2,266,669
Value of shares issued for merger	$ 8,840,000
Percentage of voting interests acquired	100.00%
Gross payments to acquire businesses			$ 5,400,000
Part noncash acquisition, number of options issued	175,000
Pro forma information, revenue of acquiree since acquisition date, actual						36,562,000
Pro forma information, earnings of acquiree since acquisition date, actual						2,608,000
Pro forma information, income tax benefit of acquiree since acquisition date, actual						$ 1,809,000
Gilman | Professional Fees
Business Acquisition [Line Items]
Acquisition related costs					$ 131,000
Customer relationships
Business Acquisition [Line Items]
Estimated useful life (years)					10 years
Customer relationships | Minimum
Business Acquisition [Line Items]
Estimated useful life (years)				7 years
Customer relationships | Certain Assets of a Tax Preparation and Accounting Business | Minimum
Business Acquisition [Line Items]
Estimated useful life (years)				7 years