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STOCK-BASED COMPENSATION PLANS (Tables)

12 Months Ended

Dec. 31, 2022

Share-Based Payment Arrangement [Abstract]

Schedule of activity related to unvested restricted stock grants

The activity related to the Company's RSUs for the year ended December 31, 2022 was as follows:

			Shares						Weighted Average Grant Date Fair Value
Unvested balance at January 1, 2022			5,389,611						$	6.19
Granted			6,096,248						$	3.09
Vested			(3,075,543)						$	5.87
Forfeited			(760,569)						$	5.05
Unvested balance at December 31, 2022			7,649,747						$	3.96

Schedule of activity related to performance stock awards

The activity related to the Company's PSUs for the year ended December 31, 2022 was as follows:

			Shares						Weighted Average Grant Date Fair Value
Unvested balance at January 1, 2022			4,987,876						$	2.87
Granted			2,228,073						$	3.27
Vested			(179,184)						$	5.02
Forfeited			(383,262)						$	7.82
Unvested balance at December 31, 2022			6,653,503						$	2.52

Schedule of stock-based compensation expenses which are included in condensed consolidated statement of operations

The consolidated statements of operations included stock-based compensation for the years ended December 31, 2022, 2021 and 2020 as follows (in thousands):

			Year ended December 31,
			2022						2021						2020
Product cost of revenue			$	471					$	313					$	174
Service cost of revenue			2,157						1,684						701
Research and development			5,108						4,253						2,968
Sales and marketing			6,074						7,218						4,129
General and administrative			4,897						5,950						5,927
			$	18,707					$	19,418					$	13,899

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Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
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Tabular disclosure of the changes in outstanding nonvested performance-based units.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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Tabular disclosure of the changes in outstanding nonvested restricted stock units.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
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