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Summary of Significant Accounting Policies (Details 1) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Income from continuing operations	$ 955	$ 1,983	$ 1,511	$ 1,154	$ 3,947	$ 2,865	$ 1,769	$ 1,177	$ 5,603	$ 9,758	$ 6,307
Income (loss) from discontinued operations, net of tax	(212)	(76)	(85)	(207)	(1,041)	(387)	(334)	2,238	(580)	476	241
Net income	$ 743	$ 1,907	$ 1,426	$ 947	$ 2,906	$ 2,478	$ 1,435	$ 3,415	$ 5,023	$ 10,234	$ 6,548
Dilutive effect of the Company's stock options
Weighted-average common shares outstanding (basic)									5,402	5,363	5,317
Weighted-average common shares outstanding (diluted)									5,424	5,401	5,380
Net income per share - basic [Abstract]
Continuing operations, basic (in dollars per share)	$ 0.17	$ 0.37	$ 0.28	$ 0.22	$ 0.74	$ 0.53	$ 0.33	$ 0.22	$ 1.04	$ 1.82	$ 1.19
Discontinued operations, basic (in dollars per share)	$ (0.04)	$ (0.01)	$ (0.02)	$ (0.04)	$ (0.20)	$ (0.07)	$ (0.06)	$ 0.42	$ (0.11)	$ 0.09	$ 0.04
Net income, basic (in dollars per share)	$ 0.13	$ 0.36	$ 0.26	$ 0.18	$ 0.54	$ 0.46	$ 0.27	$ 0.64	$ 0.93	$ 1.91	$ 1.23
Net income per share - diluted [Abstract]
Continuing operations, diluted (in dollars per share)	$ 0.17	$ 0.37	$ 0.28	$ 0.21	$ 0.73	$ 0.53	$ 0.33	$ 0.22	$ 1.03	$ 1.81	$ 1.18
Discontinued operations, diluted (in dollars per share)	$ (0.04)	$ (0.01)	$ (0.02)	$ (0.04)	$ (0.19)	$ (0.07)	$ (0.06)	$ 0.41	$ (0.11)	$ 0.09	$ 0.04
Net income, diluted (in dollars per share)	$ 0.13	$ 0.36	$ 0.26	$ 0.17	$ 0.54	$ 0.46	$ 0.27	$ 0.63	$ 0.92	$ 1.90	$ 1.22
Anti-dilutive weighted-average common shares excluded from calculation of diluted earnings per share									18	47	144
Stock options [Member]
Dilutive effect of the Company's stock options
Weighted-average common shares outstanding (diluted)									0	1	15
Restricted shares [Member]
Dilutive effect of the Company's stock options
Weighted-average common shares outstanding (diluted)									18	12	6
Performance shares [Member]
Dilutive effect of the Company's stock options
Weighted-average common shares outstanding (diluted)									4	25	42