2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Basic Earnings and Diluted Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Numerator
(Loss) income from continuing operations	$ (18,166)	$ 2,032	$ (48,654)	$ 17,676
Income (loss) on discontinued operations	(294)	(2,203)	1,163	(3,361)
Preferred stock dividends	$ 0	$ 20	$ 0	$ 335
Denominator
Weighted- average common shares outstanding, basic	80,469,471	41,336,342	73,450,877	40,802,319
Weighted- average common shares outstanding, diluted	80,469,471	41,395,075	74,032,082	40,861,052
Income (loss) on discontinued operations per common share attributable to common shareholders
Basic	$ (0.23)	$ 0.05	$ (0.66)	$ 0.42
Diluted	(0.23)	0.05	(0.66)	0.42
Basic	(0.00)	(0.05)	0.02	(0.08)
Diluted	$ (0.00)	$ (0.05)	$ 0.02	$ (0.08)
Continuing Operations [Member]
Numerator
(Loss) income from continuing operations	$ (18,166)	$ 2,032	$ (48,654)	$ 17,676
Preferred stock dividends	0	20	0	335
(Loss) income from continuing operations attributable to common shareholders	$ (18,166)	$ 2,012	$ (48,654)	$ 17,341
Denominator
Weighted- average common shares outstanding, basic	80,469,471	41,336,342	73,450,877	40,802,319
Dilutive impact of stock options and other share-based awards	0	58,733	516	58,733
Weighted- average common shares outstanding, diluted	80,469,471	41,395,075	74,032,082	40,861,052
Income (loss) on discontinued operations per common share attributable to common shareholders
Basic	$ (0.23)	$ 0.05	$ (0.66)	$ 0.42
Diluted	$ (0.23)	$ 0.05	$ (0.66)	$ 0.42
Discontinued Operations [Member]
Numerator
Income (loss) on discontinued operations	$ (294)	$ (2,203)	$ 1,163	$ (3,361)
Denominator
Weighted- average common shares outstanding, basic	80,469,471	41,336,342	73,450,877	40,802,319
Dilutive impact of stock options and other share-based awards	0	58,733	516	58,733
Dilutive impact of contingent shares issued for business acquisition	0	0	580,689	0
Weighted- average common shares outstanding, diluted	80,469,471	41,395,075	74,032,082	40,861,052
Income (loss) on discontinued operations per common share attributable to common shareholders
Basic	$ (0.00)	$ (0.05)	$ 0.02	$ (0.08)
Diluted	$ (0.00)	$ (0.05)	$ 0.02	$ (0.08)