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, 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 (loss)	884				884
Other comprehensive income	35					35
Stock based compensation expense	19			19
Stock option exercise	71	$ 0	$ 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
Comprehensive income (loss):
Net income (loss)	(194)				(194)
Other comprehensive income	0
Stock issued in acquisition	2,475		$ 375	2,100
Stock issued in acquisition (shares)			1,500,000
Stock based compensation expense	134			134
Stock option exercise	2		$ 0	2
Stock option exercise (in shares)			1,381
Conversion of preferred shares to common shares	0	$ (1,000)	$ 125	875
Conversion of preferred shares to common shares (in shares)		(1,000)	500,000
Balance at Sep. 30, 2018	$ 10,884	$ 35	$ 2,523	$ 24,557	$ (16,231)	$ 0
Balance (in shares) at Sep. 30, 2018		35	10,245,277