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SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

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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