CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit
Beginning Balance (shares) at Sep. 30, 2016		11,148
Beginning Balance at Sep. 30, 2016	$ 31,776	$ 11	$ 81,897	$ (50,132)
Directors' stock grants (shares)		103
Directors' stock grants	496		496
Expense related to employee stock options	166		166
Exercise of stock options (shares)		516
Exercise of stock options	129	$ 1	128
Net Income	$ 3,288			3,288
Ending Balance (shares) at Sep. 30, 2017	11,767	11,767
Ending Balance at Sep. 30, 2017	$ 35,855	$ 12	82,687	(46,844)
Directors' stock grants (shares)		93
Directors' stock grants	1,109		1,109
Expense related to employee stock options	266		266
Exercise of stock options (shares)		39
Exercise of stock options	46	$ 0	46
Net Income	$ 1,836			1,836
Ending Balance (shares) at Sep. 30, 2018	11,889	11,899
Ending Balance at Sep. 30, 2018	$ 39,418	$ 12	84,285	(44,879)
Change in accounting principle - reclassification of warrant liability	$ 306		$ 177	$ 129