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Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 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
		March 31,
		2022				2021
		(in thousands)
Cost of revenue		$	26			$	397
Selling and marketing			398				331
Research and development			283				249
General and administrative			830				809
Total stock-based compensation		$	1,537			$	1,786

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 March 31, 2022:

		(in thousands)
Balance at December 31, 2021			998
Options cancelled			5
Restricted stock granted			(43	)
Forfeited/Expired restricted stock added back			5
Balance at March 31, 2022			965

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			(47,078	)			7.67
Options Forfeited			(5,198	)			16.27
Outstanding at March 31, 2022			1,686,964			$	7.70				6.64			$	23,231,263
Vested and expected to vest at March 31, 2022			1,666,854			$	7.75				6.62			$	22,967,200
Exercisable at March 31, 2022			1,075,419			$	7.08				6.15			$	15,595,467

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			42,900				23.21
Vested			(29,400	)			20.88
Shares forfeited			(4,587	)			18.75
Nonvested restricted stock at March 31, 2022			797,367			$	17.00

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