Note 7 - Common Stock Warrants - Schedule of Warrants Outstanding (Details)	Mar. 31, 2024 $ / shares shares
Outstanding (in shares) | shares	69,380
Weighted Average [Member]
Exercise Price (in dollars per share) | $ / shares	$ 6.05
SWK Warrants – Debt – Tranche #1 [Member]
Outstanding (in shares) | shares	51,239
Exercise Price (in dollars per share) | $ / shares	$ 5.86
SWK Warrants – Debt – Tranche #2 [Member]
Outstanding (in shares) | shares	18,141
Exercise Price (in dollars per share) | $ / shares	$ 6.62