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TAXES ON INCOME (Tables)
12 Months Ended
Dec. 31, 2019
Income Tax Disclosure [Abstract]  
Schedule of Income Tax Expense (Benefit)
The income tax expense (benefit) for the years ended December 31, 2017, 2018 and 2019 consisted of the following:

   
Year ended
December 31,
 
   
2017
   
2018
   
2019
 
                   
Current
 
$
1,200
   
$
3,350
   
$
2,734
 
Deferred
   
497
     
(6,601
)
   
(258
)
                         
   
$
1,697
   
$
(3,251
)
 
$
2,476
 
                         
Domestic (Israel)
 
$
1,533
   
$
(5,919
)
 
$
781
 
Foreign
   
164
     
2,668
     
1,695
 
                         
   
$
1,697
   
$
(3,251
)
 
$
2,476
 
Schedule of Deferred Income Taxes
Significant components of the Company's deferred tax assets and liabilities are as follows:

   
December 31,
 
   
2018
   
2019
 
Deferred tax assets:
           
             
Net operating loss carry forward
 
$
75,755
   
$
71,653
 
Temporary differences mainly relating to Research and Development, reserves and allowances
   
24,875
     
25,773
 
                 
Deferred tax asset before valuation allowance
   
100,630
     
97,426
 
Valuation allowance
   
(93,154
)
   
(89,320
)
                 
Deferred tax asset
   
7,476
     
8,106
 
                 
Deferred tax liabilities:
               
                 
Other temporary differences
   
(28
)
   
-
 
                 
Deferred tax asset, net
 
$
7,448
   
$
8,106
 
Schedule of Income (Loss) Before Taxes
Income (Loss) before taxes is comprised as follows:

   
Year ended
December 31,
 
   
2017
   
2018
   
2019
 
                   
Domestic
 
$
13,145
   
$
17,921
   
$
(2,171
)
Foreign
   
4,112
     
1,874
     
2,952
 
                         
   
$
17,257
   
$
19,795
   
$
781
 
Schedule of Income Tax Reconciliation
Reconciliation between the theoretical tax expense, assuming all income is taxed at the statutory tax rate applicable to income of the Company and the actual tax expense as reported in the statements of operations is as follows:

   
Year ended
December 31,
 
   
2017
   
2018
   
2019
 
Income before taxes as reported in the consolidated statements of operations
 
$
17,257
   
$
19,795
   
$
781
 
                         
Statutory tax rate
   
24
%
   
23
%
   
23
%
                         
Theoretical tax income on the above amount at the Israeli statutory tax rate
 
$
4,142
   
$
4,553
   
$
180
 
Non-deductible expenses
   
290
     
1,299
     
519
 
Non-deductible expenses related to employee stock options
   
289
     
376
     
472
 
Changes in tax rate
   
124
     
179
     
(5
)
Losses in respect of which no deferred taxes were generated (including changes in valuation allowance)
   
(3,225
)
   
(4,068
)
   
977
 
Recognition of deferred taxes during the year, for which valuation allowance was provided in prior years
   
-
     
(7,200
)
   
-
 
Other
   
77
     
1,610
     
333
 
                         
Actual tax expense (benefit)
 
$
1,697
   
$
(3,251
)
 
$
2,476
 
Schedule of Changes In Unrecognized Tax Benefits
A reconciliation of the beginning and ending balances of unrecognized tax benefits related to uncertain tax positions is as follows:

   
December 31,
 
   
2018
   
2019
 
             
Beginning balance
 
$
2,160
   
$
2,373
 
Decreases in tax positions for prior years
   
(304
)
   
(406
)
Increases related to tax positions taken during prior years
   
18
     
40
 
Increase related to tax positions taken during the current year
   
499
     
485
 
                 
Ending balance
 
$
2,373
   
$
2,492