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Share-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2022
Share-Based Payment Arrangement [Abstract]  
Schedule of weighted average assumptions for options granted The table below outlines the weighted average assumptions for options granted during the periods indicated:
Year Ended December 31,
Weighted Average:20222021
Expected term (years)5.85.8
Volatility76.4 %74.6 %
Risk-free rate2.3 %1.0 %
Dividend Yield0 %0 %
Summary of activity of service period-based stock options
The following table summarizes activity of service period-based stock options during the periods indicated:
(In thousands except per-share data and remaining contractual term)Number of OptionsWeighted AverageAggregate Intrinsic Value
Exercise PriceRemaining Contractual Term (Years)
Outstanding at December 31, 202010,833 $3.96 6.8$10,472 
Options Granted1,724 8.67 
Options Exercised(2,146)4.34 13,301 
Options Forfeited / Expired(916)4.83 
Outstanding at December 31, 20219,495 $4.65 6.5$2,452 
Options Granted2,445 2.41 
Options Exercised— — — 
Options Forfeited / Expired(2,543)4.11 
Outstanding at December 31, 20229,397 $4.21 6.2$44 *
Exercisable at December 31, 20226,540 $4.46 5.0$— *
*The aggregate intrinsic values in the table above are based on the Company’s stock price of $1.68, which is the closing price of the Company’s stock on the last day of business for the year ended December 31, 2022
Summary of activity of performance based stock options
The following table summarizes activity of performance based stock options during the periods indicated:
(In thousands except per-share data and remaining contractual term)Number of SharesWeighted AverageAggregate Intrinsic Value
Exercise PriceRemaining Contractual Term (Years)
Outstanding at December 31, 202081 $4.34 3.1$37 
Options Granted— — 
Options Exercised(40)4.34 401 
Options Forfeited— — 
Outstanding at December 31, 202141 $4.34 2.1$— 
Options Granted— — 
Options Exercised— — — 
Options Forfeited— — 
Outstanding and Exercisable at December 31, 202241 $4.34 1.1$— *
*The aggregate intrinsic values in the table above are based on the Company’s stock price of $1.68, which is the closing price of the Company’s stock on the last day of business for the year ended December 31, 2022.
Summary of activity of market based stock options
The following table summarizes activity of market based stock options during the periods indicated:
(In thousands except per-share data and remaining contractual term)Number of SharesWeighted AverageAggregate Intrinsic Value
Exercise PriceRemaining Contractual Term (Years)
Outstanding at December 31, 20201,000 $4.24 6.8$560 
Options Granted— — 
Options Exercised— — — 
Options Forfeited— — 
Outstanding at December 31, 20211,000 $4.24 5.8$— 
Options Granted— — 
Options Exercised— — — 
Options Forfeited— — 
Outstanding and Exercisable at December 31, 20221,000 $4.24 4.8$— *
*The aggregate intrinsic values in the table above are based on the Company’s stock price of $1.68, which is the closing price of the Company’s stock on the last day of business for the year ended December 31, 2022.
Summary of activity of restricted stock units and restricted stock awards
The following table summarizes activity of restricted stock units during the periods indicated:
(In thousands except per share fair value)Number of UnitsWeighted Average Fair Value
Unvested shares at December 31, 2020— $— 
Granted135 10.29 
Vested— — 
Forfeited(20)10.77 
Unvested shares at December 31, 2021115 $10.21 
Granted700 2.16 
Vested(144)5.05 
Forfeited(21)7.49 
Unvested shares at December 31, 2022650 $2.77 
Expected to vest as of December 31, 2022650 $2.77 
The following table summarizes activity of restricted stock awards during the periods indicated:
(In thousands except per share fair value)Number of AwardsWeighted Average Fair Value
Unvested shares at December 31, 2020183 $3.25 
Granted— — 
Vested— — 
Forfeited— — 
Unvested shares at December 31, 2021183 $3.25 
Granted— — 
Vested— — 
Forfeited— — 
Unvested shares at December 31, 2022183 $3.25 
Expected to vest as of December 31, 2022183 $3.25 
Schedule of share-based compensation expenses
Share-based compensation expenses for the years ended December 31, 2022 and December 31, 2021 were as follows:
Year Ended December 31,
(In thousands)20222021
Share-based compensation expense
Cost of sales$276 $204 
Sales and marketing1,519 1,689 
Research and development973 877 
General and administrative2,971 3,425 
Total$5,739 $6,195