Condensed Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares	Sep. 30, 2025	Dec. 31, 2024
Preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock, authorized (in shares)	10,000,000	10,000,000
Preferred stock, issued (in shares)	3,984	0
Preferred stock, outstanding (in shares)	3,984	0
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, authorized (in shares)	200,000,000	200,000,000
Common stock, issued (in shares)	1,662,921	556,902
Common stock, outstanding (in shares)	1,662,921	556,902