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STOCK-BASED COMPENSATION PLANS (Tables)

3 Months Ended

Mar. 31, 2022

Share-based Payment Arrangement [Abstract]

Schedule of Activity Related to Outstanding Stock Options

The activity related to the Company's outstanding stock options for the three months ended March 31, 2022 was as follows:

			Number of Shares						Weighted Average Exercise Price						Weighted Average Remaining Contractual Term (years)						Aggregate Intrinsic Value (in thousands)
Outstanding at January 1, 2022			184,169						$	13.25
Exercised			(355)						$	1.95
Expired			(3,470)						$	15.62
Outstanding at March 31, 2022			180,344						$	13.23					2.35						$	50
Vested or expected to vest at March 31, 2022			180,344						$	13.23					2.35						$	50
Exercisable at March 31, 2022			180,344						$	13.23					2.35						$	50

Schedule of Activity Related to Unvested Restricted Stock Grants

The activity related to the Company's RSUs for the three months ended March 31, 2022 was as follows:

			Shares						Weighted Average Grant Date Fair Value
Unvested balance at January 1, 2022			5,389,611						$	6.19
Granted			71,077						$	4.05
Vested			(1,610,990)						$	6.40
Forfeited			(138,550)						$	6.44
Unvested balance at March 31, 2022			3,711,148						$	6.05

Schedule of Activity Related to Performance Stock Awards

The activity related to the Company's PSUs for the three months ended March 31, 2022 was as follows:

			Shares						Weighted Average Grant Date Fair Value
Unvested balance at January 1, 2022			4,987,876						$	2.87
Granted			18,225						$	2.65
Vested			(175,751)						$	5.03
Forfeited			(283,258)						$	7.95
Unvested balance at March 31, 2022			4,547,092						$	2.31

Schedule of Stock-based Compensation Expenses Which Are Included in Condensed Consolidated Statement of Operations

The condensed consolidated statements of operations include stock-based compensation for the three months ended March 31, 2022 and 2021 as follows (in thousands):

									Three months ended
															March 31, 2022						March 31, 2021
Product cost of revenue															$	99					$	27
Service cost of revenue															481						235
Research and development															1,206						627
Sales and marketing															1,371						1,874
General and administrative															1,098						2,297
															$	4,255					$	5,060

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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.

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Tabular disclosure of the changes in outstanding nonvested performance-based units.

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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