Note 14 - Common Stock - Summary of Reserved Shares of Common Stock (Details) - shares	Mar. 31, 2026	Dec. 31, 2025
Common Stock, Capital Shares Reserved for Future Issuance (in shares)	28,584,689	20,276,388
Common Stock from Warrants [Member]
Common Stock, Capital Shares Reserved for Future Issuance (in shares)	8,950,562	8,513,550
Common Stock from Options [Member]
Common Stock, Capital Shares Reserved for Future Issuance (in shares)	321,650	392,494
Common Stock from RSUs [Member]
Common Stock, Capital Shares Reserved for Future Issuance (in shares)	32,631	50,736
Common Stock Available for Future Incentive Plan [Member]
Common Stock, Capital Shares Reserved for Future Issuance (in shares)	297,751	101,105
Common Stock Available for Conversion of Series A Preferred Stock [Member]
Common Stock, Capital Shares Reserved for Future Issuance (in shares)	237,200	237,200
Common Stock Available for Conversion of Series B Preferred Stock [Member]
Common Stock, Capital Shares Reserved for Future Issuance (in shares)	2,748,549	1,610,180
Common Stock Available for Conversion of Series C Preferred Stock [Member]
Common Stock, Capital Shares Reserved for Future Issuance (in shares)	15,996,346	9,371,123