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SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Restricted Cash and Cash Equivalents Items [Line Items]        
Short-term deposits, weighted average interest rate 0.71% 0.85%    
Short-term bank deposits due to hedging transacations $ 5,000 $ 2,500    
Inventory write-offs 4,593 1,928 $ 629  
Cumulative inventory write-off 9,103 4,624    
Reserve for sales returns 233 290    
Severance expense 2,465 3,619 2,249  
Allowance for credit losses 2,398 2,309 1,867 $ 1,415
Grants participations excluded from research and development costs $ 167 339 378  
Weighted average cost of debt 2.00%      
ROU assets $ 8,513 4,458    
ROU lease liabilites 8,252      
Remaining performance obligations as of the balance date for long- term 89,000      
Amortization of deferred commission 1,394      
Revenues $ 145,600 $ 135,922 $ 110,100  
Restricted Stock Units (RSUs) [Member]        
Restricted Cash and Cash Equivalents Items [Line Items]        
Outstanding options and warrants excluded from the calculation of diluted income per share 2,613,894 2,897,273 3,105,801  
Netonomy [Member]        
Restricted Cash and Cash Equivalents Items [Line Items]        
Expected volatility 20.70%      
Minimum [Member]        
Restricted Cash and Cash Equivalents Items [Line Items]        
Annual pre-vesting forfeiture rate 0.00% 0.00% 0.00%  
Remaining performance obligations as of the balance date for short-term $ 53,000      
Maximum [Member]        
Restricted Cash and Cash Equivalents Items [Line Items]        
Annual pre-vesting forfeiture rate 30.00% 30.00% 30.00%  
Remaining performance obligations as of the balance date for long- term $ 36,000      
Grants from the Israel Innovation Authority [Member]        
Restricted Cash and Cash Equivalents Items [Line Items]        
Grants participations excluded from research and development costs (42) $ 339 $ 378  
Grants from the Spain Tax Authorities [Member]        
Restricted Cash and Cash Equivalents Items [Line Items]        
Grants participations excluded from research and development costs $ 209