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ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES
 3 Months Ended
Mar. 31, 2024
Payables and Accruals [Abstract]  
ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES
Accrued expenses and other current liabilities consisted of the following:
March 31, 2024December 31, 2023
(In thousands)
Accrued consulting and other professional fees$832 $1,595 
Income taxes payable1,313 619 
Product warranty liability, current27 30 
Service contract costs, current168 169 
Short-term lease liability1,094 1,248 
Accrued patent cost (see Note 7)— 4,000 
Other accrued liabilities556 744 
Total$3,990 $8,405