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Other Current Liabilities and Accrued Expenses (Tables)
12 Months Ended
Dec. 31, 2020
Payables and Accruals [Abstract]  
Schedule of Other Current Liabilities and Accrued Expenses
   December 31, 
   2020   2019 
         
Royalties - IIA payable  $986   $938 
Accrued commissions   2,018    1,748 
Accrued expenses   1,717    1,364 
           
   $4,721   $4,050