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REVENUES AND PRODUCT COSTS - Contract Liabilities (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2025
USD ($)
Customer Deposits [Member]  
REVENUES AND PRODUCT COSTS [Abstract]  
Beginning balance $ 27
Additions, net 34
Transfer to revenue 0
Ending balance 62
Current portion 62
Long-term portion 0
Deferred Revenue [Member]  
REVENUES AND PRODUCT COSTS [Abstract]  
Beginning balance 505
Additions, net 717
Transfer to revenue (800)
Ending balance 422
Current portion 408
Long-term portion $ 14