2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Basic Earnings and Diluted Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Numerator
(Loss) income from continuing operations	$ (14,117)	$ (16,611)	$ (62,771)	$ 1,065
Income (loss) on discontinued operations	(102)	(12,729)	1,061	(16,090)
Preferred stock dividends	$ 0	$ 0	$ 0	$ 335
Denominator
Weighted- average common shares outstanding, basic	114,844,402	41,277,090	87,248,719	41,010,826
Weighted- average common shares outstanding, diluted	114,844,402	41,277,090	87,638,134	41,092,028
Income (loss) on discontinued operations per common share attributable to common shareholders
Basic	$ (0.12)	$ (0.4)	$ (0.72)	$ 0.02
Diluted	(0.12)	(0.4)	(0.72)	0.02
Basic	(0)	(0.31)	0.01	(0.39)
Diluted	$ (0)	$ (0.31)	$ 0.01	$ (0.39)
Continuing Operations [Member]
Numerator
(Loss) income from continuing operations	$ (14,117)	$ (16,611)	$ (62,771)	$ 1,065
Preferred stock dividends	0	0	0	335
(Loss) income from continuing operations attributable to common shareholders	$ (14,117)	$ (16,611)	$ (62,771)	$ 730
Denominator
Weighted- average common shares outstanding, basic	114,844,402	41,277,090	87,248,719	41,010,826
Dilutive impact of stock options and other share-based awards	0	0	2,289	81,202
Dilutive impact of contingent shares issued for business acquisition	0	0	387,126	0
Weighted- average common shares outstanding, diluted	114,844,402	41,277,090	87,638,134	41,092,028
Income (loss) on discontinued operations per common share attributable to common shareholders
Basic	$ (0.12)	$ (0.4)	$ (0.72)	$ 0.02
Diluted	$ (0.12)	$ (0.4)	$ (0.72)	$ 0.02
Discontinued Operations [Member]
Numerator
Income (loss) on discontinued operations	$ (102)	$ (12,729)	$ 1,061	$ (16,090)
Denominator
Weighted- average common shares outstanding, basic	114,844,402	41,277,090	87,248,719	41,010,826
Dilutive impact of stock options and other share-based awards	0	0	2,289	81,202
Dilutive impact of contingent shares issued for business acquisition	0	0	387,126	0
Weighted- average common shares outstanding, diluted	114,844,402	41,277,090	87,638,134	41,092,028
Income (loss) on discontinued operations per common share attributable to common shareholders
Basic	$ (0)	$ (0.31)	$ 0.01	$ (0.39)
Diluted	$ (0)	$ (0.31)	$ 0.01	$ (0.39)