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, 2017		11,767
Beginning Balance at Sep. 30, 2017	$ 35,855	$ 12	$ 82,687	$ (46,844)
Stock-based compensation (shares)		93
Stock-based compensation	1,375		1,375
Exercise of stock options (shares)		39
Exercise of stock options	46		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)
Stock-based compensation (shares)		102
Stock-based compensation	790		790
Exercise of stock options (shares)		35
Exercise of stock options	39		39
Net income	$ 5,324			5,324
Ending Balance (shares) at Sep. 30, 2019	12,036	12,036
Ending Balance at Sep. 30, 2019	$ 45,571	$ 12	$ 85,114	$ (39,555)