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SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2021
Accounting Policies [Abstract] |
Schedule of Allowance of Credit Losses |
|  | 2021 |  |  | 2020 |  |  | 2019 |
Total allowance for credit losses – January 1 |  |  | 2,309 |  |  |  | 1,867 |  |  |  | 1,415 |
Current-period provision for expected credit losses |  |  | 293 |  |  |  | 1,894 |  |  |  | 866 |
Write-offs |  |  | (9 | ) |  |  | (934 | ) |  |  | (3 | )
Recoveries collected |  |  | (195 | ) |  |  | (518 | ) |  |  | (411 | )
Total allowance for credit losses – December 31 |  |  | 2,398 |  |  |  | 2,309 |  |  |  | 1,867 |
Schedule of Estimated Useful Lives at an Annual Rate |
| %
Lab equipment | 16 - 25
Computers and peripheral equipment | 33
Office furniture | 6
SECaaS equipment* | 16
Leasehold improvements | Over the shorter of the term of the lease or the useful life of the asset
Schedule of Stock-Based Compensation Expense |
|  | Year ended December 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
Cost of revenues |  | $ | 581 |  |  | $ | 355 |  |  | $ | 264 |
Research and development |  |  | 2,499 |  |  |  | 1,368 |  |  |  | 847 |
Sales and marketing |  |  | 3,212 |  |  |  | 2,145 |  |  |  | 1,257 |
General and administrative |  |  | 1,708 |  |  |  | 1,330 |  |  |  | 1,052 |
Total share-based compensation expense |  | $ | 8,000 |  |  | $ | 5,198 |  |  | $ | 3,420 |
Schedule of Stock-Based Compensation Assumptions |
|  | Year ended December 31, |
|  | 2018 |
Suboptimal exercise multiple |  |  | 2.9-3.5 |
Risk free interest rate |  |  | 2.09%-3.05% |
Volatility |  |  | 26%-47% |
Dividend yield |  |  | 0 |
Schedule of Accumulated Other Comprehensive Income |
|  | Year ended December 31, 2021 |
|  | Unrealized gain (losses) on marketable securities |  |  | Unrealized gains (losses) on cash flow hedges |  |  | Total
Balance as of December 31, 2020 |  | $ | 472 |  |  | $ | (326 | ) |  | $ | 146 |
Changes in other comprehensive income (loss) before reclassifications |  |  | (359 | ) |  |  | 1,269 |  |  |  | 910 |
Amounts reclassified from accumulated other comprehensive loss to: |  |  |  |  |  |  |  |  |  |  |  |
Cost of revenues |  |  | - |  |  |  | (146 | ) |  |  | (146 | )
Operating expenses |  |  | - |  |  |  | (624 | ) |  |  | (624 | )
Financial income, net |  |  | (15 | ) |  |  | - |  |  |  | (15 | )
Net current-period other comprehensive income (loss) |  |  | (374 | ) |  |  | 499 |  |  |  | 125 |
Balance as of December 31, 2021 |  | $ | 98 |  |  | $ | 173 |  |  | $ | 271 |

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