Note 13 - Common Stock - Summary of Reserved Shares of Common Stock (Details) - shares	Dec. 31, 2025	Dec. 31, 2024
Common Stock, Capital Shares Reserved for Future Issuance (in shares)	20,276,388	721,657
Common Stock from Warrants [Member]
Common Stock, Capital Shares Reserved for Future Issuance (in shares)	8,513,550	707,234
Common Stock from Options [Member]
Common Stock, Capital Shares Reserved for Future Issuance (in shares)	392,494	8,868
Common Stock from RSUs [Member]
Common Stock, Capital Shares Reserved for Future Issuance (in shares)	50,736	0
Common Stock Available for Future Incentive Plan [Member]
Common Stock, Capital Shares Reserved for Future Issuance (in shares)	101,105	5,555
Common Stock Available for Conversion of Series A Preferred Stock [Member]
Common Stock, Capital Shares Reserved for Future Issuance (in shares)	237,200	0
Common Stock Available for Conversion of Series B Preferred Stock [Member]
Common Stock, Capital Shares Reserved for Future Issuance (in shares)	1,610,180	0
Common Stock Available for Conversion of Series C Preferred Stock [Member]
Common Stock, Capital Shares Reserved for Future Issuance (in shares)	9,371,123	0