Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2020	Sep. 30, 2019
Current Assets
Allowance for doubtful accounts	$ 159	$ 172
Shareholders’ Equity
Preferred stock, shares authorized	100,000,000	100,000,000
Preferred stock, shares issued	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	14,063,172	14,268,797
Common stock, shares outstanding	14,063,172	14,268,797