CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated deficit [Member]	Accumulated other comprehensive income (loss) [Member]
Balance at Sep. 30, 2015	$ 10,728	$ 1,185	$ 1,988	$ 21,193	$ (13,691)	$ 53
Balance (in shares) at Sep. 30, 2015		1,185	8,105,007
Comprehensive income (loss):
Net income	(3,230)				(3,230)
Other comprehensive income	(88)					(88)
Stock based compensation expense	45			45
Stock option exercise	3	$ 0	$ 1	2
Stock option exercise (in shares)			2,551
Balance at Sep. 30, 2016	7,458	$ 1,185	$ 1,989	21,240	(16,921)	(35)
Balance (in shares) at Sep. 30, 2016		1,185	8,107,558
Comprehensive income (loss):
Net income	884				884
Other comprehensive income	35					35
Stock based compensation expense	19			19
Stock option exercise	71		$ 15	56
Stock option exercise (in shares)			61,338
Conversion of preferred shares to common shares	0	$ (150)	$ 19	131
Conversion of preferred shares to common shares (in shares)		(150)	75,000
Balance at Sep. 30, 2017	$ 8,467	$ 1,035	$ 2,023	$ 21,446	$ (16,037)	$ 0
Balance (in shares) at Sep. 30, 2017		1,035	8,243,896