CASH AND CASH EQUIVALENTS - Schedule of Cash and Cash Equivalents, and Restricted Cash By Country (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	$ 18,009	$ 2,076
Restricted cash	531	589
Total cash and cash equivalents, and restricted cash	18,540	2,665
United States
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	16,921	31
Malta
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	661	1,118
Restricted cash	140	175
Finland
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	117	182
Switzerland
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	70	91
Lithuania
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	12	221
United Kingdom
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	38	89
Restricted cash	212	255
Other
Cash and Cash Equivalents [Line Items]
Cash and cash equivalents	190	344
Restricted cash	2	0
Denmark
Cash and Cash Equivalents [Line Items]
Restricted cash	$ 177	$ 159

Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.

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Amount of cash and cash equivalent, and cash and cash equivalent restricted to withdrawal or usage; attributable to continuing operation. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of cash restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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