BALANCE SHEET COMPONENTS - Property and equipment, net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
PROPERTY AND EQUIPMENT, NET:
Property and equipment, gross	$ 12,969	$ 13,228
Less accumulated depreciation	(5,146)	(4,226)
Property and Equipment, Net	7,823	9,002
Depreciation expense	1,200	1,300
Furniture and fixtures
PROPERTY AND EQUIPMENT, NET:
Property and equipment, gross	$ 1,532	1,454
Depreciation/Amortization Period	7 years
Equipment and computers
PROPERTY AND EQUIPMENT, NET:
Property and equipment, gross	$ 5,129	5,491
Equipment and computers | Minimum
PROPERTY AND EQUIPMENT, NET:
Depreciation/Amortization Period	3 years
Equipment and computers | Maximum
PROPERTY AND EQUIPMENT, NET:
Depreciation/Amortization Period	7 years
Leasehold improvements
PROPERTY AND EQUIPMENT, NET:
Property and equipment, gross	$ 6,308	$ 6,283
Property, Plant, and Equipment, Useful Life, Term, Description [Extensible Enumeration]	us-gaap:UsefulLifeShorterOfTermOfLeaseOrAssetUtilityMember