Note 9 - Stock-Based Compensation - Summary of Performance Shares Activity (Details) - Performance Shares [Member]	6 Months Ended
	Jun. 30, 2025 $ / shares shares
Restricted Stock, Unvested, Shares (in shares) | shares	301,000
Restricted Stock, Unvested, Weighted Average Grant Date Share Value (in dollars per share) | $ / shares	$ 2.28
Restricted Stock, Granted (in shares) | shares	151,000	[1]
Restricted Stock, Granted, Weighted Average Grant Date Share Value (in dollars per share) | $ / shares	$ 2.23
Restricted Stock, Vested (in shares) | shares	(75,000)
Restricted Stock, Vested, Weighted Average Grant Date Share Value (in dollars per share) | $ / shares	$ 2.28
Forfeited (in shares) | shares	0
Restricted Stock, Forfeited, Weighted Average Grant Date Share Value (in dollars per share) | $ / shares	$ 0
Restricted Stock, Unvested, Shares (in shares) | shares	377,000
Restricted Stock, Unvested, Weighted Average Grant Date Share Value (in dollars per share) | $ / shares	$ 2.26

[1] The number of shares presented assumes the achievement of 100% of a target financial performance metric to be determined by the Company’s Compensation Committee and will be subject to an at-risk, performance shares agreement.