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Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2022

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Stock-based Compensation Expense

Total estimated stock-based compensation expense for employees and non-employees, related to all of the Company’s stock-based awards, was as follows:

		Three Months Ended								Six Months Ended
		June 30,								June 30,
		2022				2021				2022				2021
		(in thousands)
Cost of revenue		$	96			$	90			$	122			$	487
Selling and marketing			539				446				937				777
Research and development			390				348				673				597
General and administrative			1,005				1,057				1,835				1,866
Total stock-based compensation		$	2,030			$	1,941			$	3,567			$	3,727

Stock Activity and Total Number of Shares Available for Grant

The following table presents the stock activity and the total number of shares available for grant as of June 30, 2022:

		(in thousands)
Balance at December 31, 2021			998
Options Cancelled			31
Restricted Stock Granted			(484	)
Restricted Stock Forfeited			28
Performance Shares Unearned			7
Performance Shares Granted			(167	)
Balance at June 30, 2022			413

Stock Option Activity

		Options Outstanding
		Number of Shares Underlying Outstanding Options				Weighted- Average Exercise Price				Weighted- Average Remaining Contractual Term				Aggregate Intrinsic Value
										(in years)
Outstanding at December 31, 2021			1,739,240			$	7.72				7.02			$	25,542,823
Options Granted			-				-
Options Exercised			(71,379	)			7.54
Options Forfeited			(31,181	)			10.28
Outstanding at June 30, 2022			1,636,680			$	7.68				6.45			$	8,417,740
Vested and expected to vest at June 30, 2022			1,621,925			$	7.74				6.44			$	8,350,391
Exercisable at June 30, 2022			1,143,564			$	7.28				5.98			$	6,537,350

Restricted stock awards

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Restricted Stock Activity

		Shares				Weighted Average Grant Date Fair Value Per Share
Nonvested restricted stock at December 31, 2021			788,454			$	16.81
Granted			483,533				21.20
Vested			(258,399	)			16.31
Shares forfeited			(27,854	)			16.58
Nonvested restricted stock at June 30, 2022			985,734			$	19.10

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