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ACQUISITIONS - Total allocable purchase price (Details) - USD ($) $ in Thousands			12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Business Acquisition [Line Items]
Cash consideration			$ 1,000
Cash				$ 3,450
Ventana Research
Business Acquisition [Line Items]
Cash consideration	$ 1,000
Contingent consideration	1,657		$ 1,657
Total allocable purchase price	$ 2,657
Change 4 Growth
Business Acquisition [Line Items]
Cash consideration		$ 3,800
Cash		3,450
Accrued working capital adjustment		378
ISG common stock		600
Contingent consideration		5,560		$ 5,560
Total allocable purchase price		$ 9,988

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