13. STOCK WARRANTS - Summary of stock warrant activity (Details)	3 Months Ended
	Dec. 31, 2023 $ / shares shares
Stock Warrants
Warrant Shares, Beginning Balance | shares	185,560
Warrant Shares, Granted | shares	0
Warrant Shares, Expired | shares	(3,000)
Warrants shares, canceled | shares	0
Warrants share, exercised | shares	0
Warrant Shares, Ending Balance | shares	182,560
Weighted Average Exercise Price, Beginning Balance | $ / shares	$ 13.49
Weighted Average Exercise, Granted | $ / shares	0
Weighted Average Exercise, Expired | $ / shares	25
Weighted Average Exercise, Canceled | $ / shares	0
Weighted Average Exercise, Exercised | $ / shares	0
Weighted Average Exercise Price, Ending Balance | $ / shares	$ 13.3