Note 5 - Capital Stock - Summary of Warrants Activity (Details) - $ / shares			7 Months Ended		8 Months Ended		12 Months Ended
		Aug. 23, 2024	Dec. 31, 2025		Dec. 31, 2025		Dec. 31, 2025		Dec. 31, 2024	Jun. 06, 2025	Jun. 05, 2025	Jun. 04, 2025
Second Warrants Issued on March 31, 2023 [Member]
Warrants outstanding (in shares)			1,206,049		1,206,049		1,206,049
Exercise Price (in dollars per share)			$ 3.41		$ 3.41		$ 3.41
Warrants outstanding and exercisable (in shares)			1,206,049		1,206,049		1,206,049
Warrants outstanding and exercisable, exercise price (in dollars per share)			$ 3.41		$ 3.41		$ 3.41
Q1 2023 Placement Agent Warrants [Member]
Warrants outstanding (in shares)			153,470		153,470		153,470
Exercise Price (in dollars per share)			$ 3.41		$ 3.41		$ 3.41
Warrants outstanding and exercisable (in shares)			153,470		153,470		153,470
Warrants outstanding and exercisable, exercise price (in dollars per share)			$ 3.41		$ 3.41		$ 3.41
Common Warrants [Member]
Warrants outstanding (in shares)		2,401,047	2,688,728		2,688,728		2,688,728		2,272,203
Exercise Price (in dollars per share)			$ 3.57		$ 3.57		$ 3.57		$ 3.41
Warrants outstanding and exercisable (in shares)							2,272,203		103,453
Warrants outstanding and exercisable, exercise price (in dollars per share)							$ 3.41		$ 69.03
Granted, warrants (in shares)							2,341,381		24,104
Granted, warrants, exercise price (in dollars per share)							$ 3.81		$ 68.4
Make Whole Provision, warrants (in shares)									2,426,986
Make Whole Provision, weighted average exercise price (in dollars per share)									$ 3.41
Exercised, warrants (in shares)							(1,924,856)		(282,314)
Exercised, warrants, exercise price (in dollars per share)		$ 3.41					$ 3.67		$ 3.41
Expired, warrants (in shares)									(26)
Expired, warrants, exercise price (in dollars per share)									$ 2,578.38
Warrants outstanding and exercisable (in shares)		2,401,047	2,688,728		2,688,728		2,688,728		2,272,203
Warrants outstanding and exercisable, exercise price (in dollars per share)			$ 3.57		$ 3.57		$ 3.57		$ 3.41
Common Warrants Issued on June 30, 2024 [Member]
Warrants outstanding (in shares)			390,959		390,959		390,959
Exercise Price (in dollars per share)			$ 3.41		$ 3.41		$ 3.41
Warrants outstanding and exercisable (in shares)			390,959		390,959		390,959
Warrants outstanding and exercisable, exercise price (in dollars per share)			$ 3.41		$ 3.41		$ 3.41
Advisor Warrants [Member]
Warrants outstanding (in shares)			100,000		100,000		100,000
Exercise Price (in dollars per share)			$ 3.77		$ 3.77		$ 3.77				$ 3.77
Exercised, warrants (in shares)					0
Warrants outstanding and exercisable (in shares)			100,000		100,000		100,000
Warrants outstanding and exercisable, exercise price (in dollars per share)			$ 3.77		$ 3.77		$ 3.77
The 2025 Placement Agent Warrants [Member]
Warrants outstanding (in shares)			99,470		99,470		99,470
Exercise Price (in dollars per share)			$ 4.71		$ 4.71		$ 4.71					$ 4.71
Exercised, warrants (in shares)			0
Warrants outstanding and exercisable (in shares)			99,470		99,470		99,470
Warrants outstanding and exercisable, exercise price (in dollars per share)			$ 4.71		$ 4.71		$ 4.71
Prefunded Warrants [Member]
Warrants outstanding (in shares)			586,261		586,261		586,261
Exercise Price (in dollars per share)			$ 3.77	[1]	$ 3.77	[1]	$ 3.77	[1]		$ 3.77
Exercised, warrants (in shares)							(1,403,131)
Warrants outstanding and exercisable (in shares)			586,261		586,261		586,261
Warrants outstanding and exercisable, exercise price (in dollars per share)	[1]		$ 3.77		$ 3.77		$ 3.77
Q3 2025 Common Warrants [Member]
Warrants outstanding (in shares)			152,519		152,519		152,519
Exercise Price (in dollars per share)			$ 3.77		$ 3.77		$ 3.77
Warrants outstanding and exercisable (in shares)			152,519		152,519		152,519
Warrants outstanding and exercisable, exercise price (in dollars per share)			$ 3.77		$ 3.77		$ 3.77

[1] The aggregate exercise price for the Pre-Funded Warrants is $3.77, of which $3.7699 was paid upon issuance of the warrants and $0.0001 payable upon exercise of the warrant. The exercise of these warrants will not result in material proceeds for the Company.