11. STOCK-BASED COMPENSATION - Schedule of Restricted Stock Summary (Details) $ / shares in Units, $ in Thousands	9 Months Ended
	Jun. 30, 2023 USD ($) $ / shares shares
Class of Stock [Line Items]
Number of Option Shares, Beginning Balance | shares	1,418,938
Number of Option Shares, Ending Balance | shares	1,307,335
Weighted Average Exercise Price, Beginning Balance	$ 13.03
Weighted Average Exercise, Granted	0
Weighted Average Exercise, Expired	8
Weighted Average Exercise Price, Ending Balance	$ 13.34
Restricted [Member]
Class of Stock [Line Items]
Number of Option Shares, Beginning Balance | shares	5,448,548
Number of Shares, Granted | shares	420,552
Number of Shares, Vested | shares	(1,628,664)
Number of Shares, Cancelled | shares	(40,000)
Number of Shares, Forfeited | shares	(4,048)
Number of Option Shares, Ending Balance | shares	4,196,388
Weighted Average Exercise Price, Beginning Balance	$ 4.93
Weighted Average Exercise, Granted	2.37
Weighted Average Exercise, Vested	4.46
Weighted Average Exercise, Expired	29.34
Weighted Average Exercise Price, Ending Balance	$ 4.75
Aggregate Intrinsic Value Outstanding at Beginning | $	$ 17,326
Aggregate Intrinsic Value Outstanding at Ending | $	$ 18,003