Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Stock Option Activity (Details)

v3.22.2.2
Stock-Based Compensation - Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2022
Sep. 30, 2022
Dec. 31, 2021
Number of Shares      
Number of shares, granted (in shares) 50,000    
Weighted Average Exercise Price      
Weighted average exercise price, granted (in dollars per share) $ 1.70    
2018 Plan Stock Option      
Number of Shares      
Number of shares, beginning outstanding (in shares)   50,000  
Number of shares, granted (in shares)   50,000  
Number of shares, exercised (in shares)   0  
Number of shares, forfeited (in shares)   (12,500)  
Number of shares, ending outstanding (in shares) 87,500 87,500 50,000
Number of shares, exercisable (in shares) 68,750 68,750  
Weighted Average Exercise Price      
Weighted average exercise price, beginning outstanding (in dollars per share)   $ 1.08  
Weighted average exercise price, granted (in dollars per share)   1.70  
Weighted average exercise price, released (in dollars per share)   0  
Weighted average exercise price, forfeited (in dollars per share)   1.08  
Weighted average exercise price, ending outstanding (in dollars per share) $ 1.43 1.43 $ 1.08
Weighted average exercise price, exercisable (in dollars per share) $ 1.36 $ 1.36  
Weighted Average Remaining Contractual Term (years)      
Weighted average remaining contractual term   5 years 10 months 24 days 1 year 4 months 13 days
Weighted average remaining contractual term, exercisable (in years)   4 years 9 months 25 days  
Aggregate Intrinsic Value      
Aggregate intrinsic value $ 4 $ 4 $ 78
Aggregate intrinsic value, exercisable $ 4 $ 4  
2009 Stock Option and Incentive Plan      
Number of Shares      
Number of shares, beginning outstanding (in shares)   925,467  
Number of shares, granted (in shares)   0  
Number of shares, exercised (in shares)   (22,757)  
Number of shares, forfeited (in shares)   (5,481)  
Number of shares, ending outstanding (in shares) 897,229 897,229 925,467
Number of shares, exercisable (in shares) 896,155 896,155  
Weighted Average Exercise Price      
Weighted average exercise price, beginning outstanding (in dollars per share)   $ 0.80  
Weighted average exercise price, granted (in dollars per share)   0  
Weighted average exercise price, released (in dollars per share)   0.68  
Weighted average exercise price, forfeited (in dollars per share)   2.00  
Weighted average exercise price, ending outstanding (in dollars per share) $ 0.80 0.80 $ 0.80
Weighted average exercise price, exercisable (in dollars per share) $ 0.80 $ 0.80  
Weighted Average Remaining Contractual Term (years)      
Weighted average remaining contractual term   4 years 11 months 15 days 5 years 7 months 2 days
Weighted average remaining contractual term, exercisable (in years)   4 years 11 months 15 days  
Aggregate Intrinsic Value      
Aggregate intrinsic value $ 452 $ 452 $ 1,692
Aggregate intrinsic value, exercisable $ 452 $ 452