Note M - Equity - Summary of Warrant Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Outstanding, warrants (in shares)	277,049	262,649
Outstanding, weighted average exercise price, warrants (in dollars per share)	$ 109.9	$ 1,049.5
Outstanding, weighted average remaining contractual life, warrants (Year)		4 years 2 months 8 days	4 years 4 months 13 days
Granted, warrants (in shares)	927,500	206,111
Granted, weighted average exercise price, warrants (in dollars per share)	$ 10.2	$ 18.5
Exercised, warrants (in shares)	515,278	(190,322)
Exercised, weighted average exercise price, warrants (in dollars per share)	$ 10.2	$ 10.2
Forfeited, warrants (in shares)	0	0
Forfeited, weighted average exercise price, warrants (in dollars per share)	$ 0	$ 0
Expired, warrants (in shares)	(24,521)	(1,389)
Expired, weighted average exercise price, warrants (in dollars per share)	$ 1,007.7	$ 0
Granted (in dollars per share)	$ 10.2	$ 18.5
Exercised, warrants (in shares)	(515,278)	190,322
Exercised (in dollars per share)	$ 10.2	$ 10.2
Outstanding, warrants (in shares)	664,750	277,049	262,649
Outstanding, weighted average exercise price, warrants (in dollars per share)	$ 12.4	$ 109.9	$ 1,049.5