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Accrued Liabilities (Tables)
12 Months Ended
Dec. 31, 2022
Payables and Accruals [Abstract]  
Schedule of Accrued Liabilities

Accrued liabilities consist of the following (in thousands):

 

   December 31, 2022   December 31, 2021 
Accrued salaries, bonus, and benefits  $1,381   $1,516 
Accrued licenses and maintenance fees   484    484 
Accrued warranties   163    242 
Accrued taxes   47    177 
Accrued investigational sites   101    123 
Accrued lease deposit payable   -    124 
Deferred contract obligation   1,045    - 
Other   136    80 
Total accrued liabilities   3,357    2,746 
Less: Long term accrued liabilities   (51)   (218)
Total current accrued liabilities  $3,306   $2,528