Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2022	Sep. 30, 2022
Statement Of Financial Position [Abstract]
Common stock, no par value	$ 0	$ 0
Common stock, shares authorized	125,000,000	125,000,000
Common stock, shares issued	36,378,550	36,376,897
Common stock, shares outstanding	36,378,550	36,376,897
Common stock, warrants issued	4,899,497	4,899,497
Common stock, warrants outstanding	4,899,497	4,899,497