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Share-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of Weighted Average Assumptions for Options Granted The Company used the following weighted average assumptions for options granted during the nine months ended September 30, 2021:
Weighted Average: Nine Months Ended September 30, 2021
Expected term5.8 years
Expected volatility74.4 %
Risk-free rate1.0 %
Expected dividends— %
Schedule of Service Based Stock Options Activity
The following table summarizes activity of service period-based stock options during the nine months ended September 30, 2021:
Weighted Average
(In thousands except per-share data and remaining contractual term)Number of
Options		Exercise
Price		Remaining
Contractual
Term (Years)		Aggregate
Intrinsic
Value
Outstanding at December 31, 202010,833 $3.96 6.8
Options Granted1,527 9.08 
Options Exercised(2,114)4.35 $13,236 
Options Forfeited(747)4.49 
Outstanding at September 30, 20219,499 $4.66 6.7$19,690 *
Exercisable at September 30, 20216,372 $3.71 5.5$16,367 *
*The aggregate intrinsic values in the table above are based on the Company’s stock price of $6.27, which is the closing price of the Company’s stock on the last day of business for the period ended September 30, 2021.
Schedule of Performance Based Stock Options Activity
The following table summarizes performance based stock options activity during the nine months ended September 30, 2021:
 Weighted Average
(In thousands except per share data and remaining contractual term)Number of
Options		Exercise
Price		Remaining
Contractual
Term (Years)		Aggregate
Intrinsic
Value
Outstanding at December 31, 202081 $4.34 3.1
Options Granted— — 
Options Exercised(40)4.34 $401 
Options Forfeited— — 
Outstanding at September 30, 202141 $4.34 2.3$79 *
Exercisable at September 30, 202141 $4.34 2.3$79 *
*The aggregate intrinsic values in the table above are based on the Company’s stock price of $6.27, which is the closing price of the Company’s stock on the last day of business for the period ended September 30, 2021.
Schedule of Restricted Stock Units Awards Activity
The following table summarizes activity of restricted stock units during the nine months ended September 30, 2021:
(In thousands except per share fair value)Number of RSUsWeighted Average
Fair Value
Unvested shares at December 31, 2020— $— 
Granted123 10.94 
Vested— — 
Forfeited(7)11.83 
Unvested shares at September 30, 2021116 $10.90 
Expected to vest at September 30, 2021116 $10.90 
Schedule of Share-Based Compensation
Total share-based compensation expense was as follows:
Three Months Ended September 30,Nine Months Ended September 30,
(In thousands)2021202020212020
Share-based compensation expense
Cost of sales$58 $42 $156 $117 
Sales and marketing456 336 1,298 810 
Research and development275 133 633 405 
General and administrative1,033 1,063 2,635 3,826 
Total$1,822 $1,574 $4,722 $5,158