Note 4 - Equity - Carrying and Fair Value of Derivative (Details) - USD ($)	Jun. 30, 2026	Dec. 31, 2025
Derivative liability	$ 0	$ 22,500
Fair Value, Recurring [Member] \| Reported Value Measurement [Member]
Totals liabilities measured and recorded at fair value	22,500	22,500
Fair Value, Recurring [Member] \| Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 1 [Member]
Totals liabilities measured and recorded at fair value	0	0
Fair Value, Recurring [Member] \| Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 2 [Member]
Totals liabilities measured and recorded at fair value	0	0
Fair Value, Recurring [Member] \| Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 3 [Member]
Totals liabilities measured and recorded at fair value	22,500	22,500
Fair Value, Recurring [Member] \| ELOC Derivative [Member] \| Reported Value Measurement [Member]
Derivative liability	22,500	22,500
Fair Value, Recurring [Member] \| ELOC Derivative [Member] \| Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 1 [Member]
Derivative liability	0	0
Fair Value, Recurring [Member] \| ELOC Derivative [Member] \| Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 2 [Member]
Derivative liability	0	0
Fair Value, Recurring [Member] \| ELOC Derivative [Member] \| Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 3 [Member]
Derivative liability	$ 22,500	$ 22,500