v3.23.1
Note 3 - Equity - Schedule of Warrants (Details)
 3 Months Ended
Mar. 31, 2023
$ / shares
shares
Class of Warrant or Right, Exercisable, Weighted Average Exercise Price (in dollars per share) | $ / shares $ 4.13
Class of Warrant or Right, Outstanding (in shares) | shares 1,108,805
Class of Warrant or Right, Weighted Average Remaining Contractual Term (Year) 2 years 10 months 6 days
Class of Warrant or Right, Weighted Average Exercise Price (in dollars per share) | $ / shares $ 4.13
Class of Warrant or Right, Warrants, Exercisable, Number (in shares) | shares 1,108,805
Exercise Price, Four Dollars, Minimum [Member]  
Class of Warrant or Right, Exercisable, Weighted Average Exercise Price (in dollars per share) | $ / shares $ 4.00
Class of Warrant or Right, Outstanding (in shares) | shares 1,085,068
Class of Warrant or Right, Weighted Average Remaining Contractual Term (Year) 2 years 10 months 6 days
Class of Warrant or Right, Weighted Average Exercise Price (in dollars per share) | $ / shares $ 4.00
Class of Warrant or Right, Warrants, Exercisable, Number (in shares) | shares 1,085,068
Exercise Price, Ten Dollars, Maximum [Member]  
Class of Warrant or Right, Exercisable, Weighted Average Exercise Price (in dollars per share) | $ / shares $ 10.00
Class of Warrant or Right, Outstanding (in shares) | shares 23,737
Class of Warrant or Right, Weighted Average Remaining Contractual Term (Year) 2 years 9 months 25 days
Class of Warrant or Right, Weighted Average Exercise Price (in dollars per share) | $ / shares $ 10.00
Class of Warrant or Right, Warrants, Exercisable, Number (in shares) | shares 23,737