Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2021	Sep. 30, 2021
Statement of Financial Position [Abstract]
Allowances for accounts receivable	$ 1,293	$ 1,078
Preferred stock, par value	$ 0	$ 0
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Common stock, par value	$ 0	$ 0
Common stock, shares authorized	71,000,000	71,000,000
Common stock, shares issued	43,514,258	43,361,898
Common Stock, shares, outstanding	43,514,258	43,361,898