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PREPAID AND OTHER CURRENT ASSETS
 6 Months Ended
Jun. 30, 2023
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
PREPAID AND OTHER CURRENT ASSETS PREPAID AND OTHER CURRENT ASSETS
Prepaid and other current assets as of June 30, 2023 and December 31, 2022 were as follows (in thousands):

June 30, 2023December 31, 2022
(unaudited)
Prepaid expenses$1,728 $4,203 
Advances to suppliers1,351 984 
Demonstration units109 281 
Other109 713 
Total prepaid and other current assets$3,297 $6,181