Restatement of Previously Issued Financial Restatements (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Income before provision for income tax	$ 3,859	$ 4,420	$ 4,040
Net income attributable to common shareholders	2,573	2,806	2,509
Stockholders' equity attributable to parent	64,544	61,453	58,019
Retained Earnings
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net income attributable to common shareholders	2,573	2,806
Stockholders' equity attributable to parent	$ 9,107	7,163	4,775	[1]
Retained Earnings | Expense Accruals
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Stockholders' equity attributable to parent		918
Restatement Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Income before provision for income tax		316	1,210
Net income attributable to common shareholders		192	726
Stockholders' equity attributable to parent		$ 918	$ 726

[1] The opening balance of retained earnings was adjusted by $726 thousand for a material correction of prior period errors. Refer to Note 2, "Restatement of Previously Issued Financial Statements"