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Significant Accounting Policies (Numerators And Denominators In The Calculation Of Basic And Diluted Net Loss Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Numerator:
Net loss	$ (20,257)	$ (19,328)	$ (17,527)	$ (9,562)	$ (5,125)	$ (3,526)	$ (57,112)	$ (18,213)
Shares used in computing net loss per share, basic and diluted	40,050			39,957			40,009	39,218
Net loss per share, basic and diluted	$ (0.51)			$ (0.24)			$ (1.43)	$ (0.46)
Stock Option [Member]
Numerator:
Common stock excluded from net loss per share, diluted	1,946			2,350			2,064	2,219

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- Definition

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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