Unaudited Consolidated Statement of Shareholders' Equity - 6 months ended Mar. 31, 2018 - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance at Sep. 30, 2017	$ 21,001	$ 40	$ 13,717	$ 17,407	$ (10,163)
Balance (in Shares) at Sep. 30, 2017	3,935	3,935
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ (1,794)			(1,794)
Other comprehensive loss	(90)
Exercise of Stock Options	22		22
Exercise of Stock Options (in shares)		5
Stock-based compensation	299		299
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures		(13)
Restricted stock issuance	1	$ 1
Restricted stock issuance (in Shares)		71
Stock Issued During Period, Value, Employee Stock Purchase Plan	78		78
Stock Issued During Period, Shares, Employee Stock Purchase Plans		8
Dividends, Cash	878			878
Balance at Mar. 31, 2018	$ 18,639	$ 41	$ 14,116	$ 14,735	$ (10,253)
Balance (in Shares) at Mar. 31, 2018	4,006	4,006