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Stock-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2019
Share-based Payment Arrangement [Abstract]  
Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity A summary of the Company’s restricted stock unit activity under the 2018 Plan is set forth below:
SharesWeighted Average Grant Date Fair Value
Outstanding as of December 31, 2018—  $—  
Granted3,245,922  2.93  
Released(521,979) 1.79  
Forfeited(286,975) 3.10  
Outstanding as of December 31, 20192,436,968  $3.15  
Schedule of Stock Options Activity
A summary of the Company’s stock option activity under the 2009 Plan and related information is set forth below:

Number of SharesWeighted Average Exercise Price
Weighted Average Remaining
Contractual Term (years)
Aggregate Intrinsic Value
12/31/2017Outstanding1,417,373  $0.54  7.18$53  
Granted1,770,225  1.11  
Exercised(293,778) 0.58  
Cancelled/Expired(528,997) 0.78  
12/31/2018Outstanding2,364,823  $0.90  8.12$71,332  
Granted—  —  
Exercised(488,090) 0.57  
Cancelled/Expired(411,283) 1.68  
12/31/2019Outstanding1,465,450  $0.80  6.86$771  
Options exercisable1,016,089  $0.73  6.33$560  
The aggregate intrinsic value is based on the Company’s stock price trading price on the NASDAQ Capital Market. The aggregate intrinsic value of options exercised was $7,619 and $483 for the years ended December 31, 2019 and 2018, respectively, and is calculated based on the difference between the estimated fair value of the Company’s common stock at the date of exercise and the exercise price.
Compensation Cost
Compensation cost that has been included on the Company’s consolidated statements of operations for all stock-based compensation arrangements is set forth below:

Year Ended
Stock-based compensationDecember 31,
2019		December 31,
2018
Cost of revenues$146  $45  
Sales and marketing12  42  
General and administrative1,417  313  
Research and development209  50  
Total stock-based compensation$1,784  $450  
Valuation of Stock Options The assumptions used to compute stock-based compensation costs for the stock options granted during the year ended December 31, 2018 are set forth below:
Year Ended
December 31,
2018
Weighted average risk-free rate2.51 %
Expected dividend yield—  
Weighted average expected life (years)6.08
Weighted average volatility56.87 %