Registration of securities issued in business combination transactions

Note 14 - Stock-based Compensation - Stock Option Activity (Details)

v3.23.4
Note 14 - Stock-based Compensation - Stock Option Activity (Details) - USD ($)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2023
Jun. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Outstanding, shares (in shares)       4,552,500 2,904,500 2,904,500 1,395,000  
Outstanding, weighted average exercise price (in dollars per share)       $ 3.21 $ 3.17 $ 3.17 $ 0.31  
Outstanding, weighted average remaining contractual term (Year)           77 months 59 months 53 years
Outstanding, aggregate intrinsic value           $ 95,397 $ 5,195,253 $ 1,591,223
Options granted, shares (in shares)   0 53,500 0 131,200 1,952,000 1,982,500  
Options granted, weighted average exercise price (in dollars per share)           $ 2.82 $ 4.48  
Options exercised, shares (in shares) 0   (10,700) (2,000) (26,400) (264,000) (453,000)  
Options exercised, weighted average exercise price (in dollars per share)           $ 0.28 $ 0.21  
Options expired, shares (in shares)           (5,000) (20,000)  
Options expired, weighted average exercise price (in dollars per share)           $ 0.35 $ 0.17  
Options forfeited (in shares)           (35,000)    
Options forfeited, weighted average exercise price (in dollars per share)           $ 1.3    
Outstanding, shares (in shares)           4,552,500 2,904,500 1,395,000
Outstanding, weighted average exercise price (in dollars per share)           $ 3.21 $ 3.17 $ 0.31
Exercisable, shares (in shares)           2,196,750    
Exercisable, weighted average exercise price (in dollars per share)           $ 3.31    
Exercisable, weighted average remaining contractual term (Month)           52 months    
Exercisable, aggregate intrinsic value           $ 95,397