Annual report pursuant to Section 13 and 15(d)

Note 14 - Stockholders' Equity - Stock Options Outstanding (Details)

v3.22.4
Note 14 - Stockholders' Equity - Stock Options Outstanding (Details)
 12 Months Ended
Dec. 31, 2022
$ / shares
shares
Options outstanding (in shares) 994,267
Options outstanding, weighted average remaining contractual life (Year) 4 months 24 days
Options exercisable (in shares) 994,267
Options exercisable, weighted average remaining contractual life (Year) 4 months 24 days
Exercise Price 1 [Member]  
Lower limit range (in dollars per share) | $ / shares $ 1.60
Upper limit range (in dollars per share) | $ / shares $ 2.79
Options outstanding (in shares) 106,361
Options outstanding, weighted average remaining contractual life (Year) 10 months 9 days
Options exercisable (in shares) 106,361
Options exercisable, weighted average remaining contractual life (Year) 10 months 9 days
Exercise Price 2 [Member]  
Lower limit range (in dollars per share) | $ / shares $ 2.80
Upper limit range (in dollars per share) | $ / shares $ 4.50
Options outstanding (in shares) 450,882
Options outstanding, weighted average remaining contractual life (Year) 3 months 29 days
Options exercisable (in shares) 450,882
Options exercisable, weighted average remaining contractual life (Year) 3 months 29 days
Exercise Price 3 [Member]  
Lower limit range (in dollars per share) | $ / shares $ 4.51
Upper limit range (in dollars per share) | $ / shares $ 7.50
Options outstanding (in shares) 420,000
Options outstanding, weighted average remaining contractual life (Year) 3 months 29 days
Options exercisable (in shares) 420,000
Options exercisable, weighted average remaining contractual life (Year) 3 months 29 days
Exercise Price 4 [Member]  
Lower limit range (in dollars per share) | $ / shares $ 7.51
Upper limit range (in dollars per share) | $ / shares $ 12.55
Options outstanding (in shares) 8,690
Options outstanding, weighted average remaining contractual life (Year) 5 months 12 days
Options exercisable (in shares) 8,690
Options exercisable, weighted average remaining contractual life (Year) 5 months 12 days
Exercise Price 5 [Member]  
Lower limit range (in dollars per share) | $ / shares $ 12.56
Upper limit range (in dollars per share) | $ / shares $ 24.81
Options outstanding (in shares) 8,334
Options outstanding, weighted average remaining contractual life (Year) 10 months 2 days
Options exercisable (in shares) 8,334
Options exercisable, weighted average remaining contractual life (Year) 10 months 2 days