SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Disaggregation of Revenue [Line Items]
Total revenues	$ 23,310	$ 10,084	$ 73,468	$ 32,791
Intellectual property operations
Disaggregation of Revenue [Line Items]
Total revenues	486	1,760	19,442	6,330
Paid-up license revenue agreements
Disaggregation of Revenue [Line Items]
Total revenues	0	1,410	17,253	5,385
Recurring License Revenue Agreements
Disaggregation of Revenue [Line Items]
Total revenues	486	350	2,189	945
Industrial operations
Disaggregation of Revenue [Line Items]
Total revenues	7,007	8,324	22,183	26,461
Printers, consumables and parts
Disaggregation of Revenue [Line Items]
Total revenues	6,149	7,428	19,678	23,714
Services
Disaggregation of Revenue [Line Items]
Total revenues	$ 858	$ 896	$ 2,505	$ 2,747