Condensed Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid- In Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings (Accumulated Deficit)
Beginning balance at Sep. 30, 2019	$ 87,452	$ 143	$ 125,098	$ (11,233)	$ (26,556)
Beginning balance (in shares) at Sep. 30, 2019		14,269,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(1,932)				(1,932)
Translation adjustment	2,673			2,673
Stock compensation expense	68		68
Stock options exercised	701	$ 1	700
Stock options exercised (in shares)		117,000
Ending balance at Dec. 31, 2019	88,962	$ 144	125,866	(8,560)	(28,488)
Ending balance (in shares) at Dec. 31, 2019		14,386,000
Beginning balance at Sep. 30, 2020	$ 81,519	$ 141	124,435	(646)	(42,411)
Beginning balance (in shares) at Sep. 30, 2020	14,063,172	14,063,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ 719				719
Translation adjustment	595			595
Stock compensation expense	65		65
Stock options exercised	135		135
Stock options exercised (in shares)		28,000
Ending balance at Dec. 31, 2020	$ 83,033	$ 141	$ 124,635	$ (51)	$ (41,692)
Ending balance (in shares) at Dec. 31, 2020	14,091,422	14,091,000