Note 10 - Net Loss Per Share (Details Textual) - shares	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Series X Preferred Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	1,265,601	1,265,601
Warrant [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	15,960,613	1,104,214
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	50,001
Share-Based Payment Arrangement, Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	2,166,184	61,459
Abeyance Shares [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	2,157,000
Series A Convertible Preferred Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)		231,412
Series A Preferred Stock [Member]
Preferred Stock, Shares Outstanding (in shares)	0		0