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Prepaid and Other Current Assets (Tables)
 9 Months Ended
Sep. 30, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Schedule of Prepaid and Other Current Assets
Prepaid and other current assets as of September 30, 2022 and December 31, 2021 were as follows (in thousands):

September 30, 2022December 31, 2021
(unaudited)
Prepaid expenses$4,404 $3,980 
Advances to suppliers561 745 
Demonstration units319 224 
Other212 102 
Total prepaid and other current assets$5,496 $5,051