Note 14 - Stockholders' Equity and Stock-based Compensation - Restricted Stock Awards and Restricted Stock Units Activity (Details) - Restricted Stock Units (RSUs) [Member] - $ / shares	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Outstanding, shares (in shares)	27,177	210,939
Outstanding, weighted average grant date fair value (in dollars per share)	$ 4.11	$ 4.43
Vested, shares (in shares)	(13,588)	(183,762)	[1]
Vested, weighted average grant date fair value (in dollars per share)	$ 4.11	$ 5.35	[1]
Outstanding, shares (in shares)	13,589	27,177
Outstanding, weighted average grant date fair value (in dollars per share)	$ 4.11	$ 4.11

[1] Amount includes 500,000 RSUs which vested upon the resignation of Mr. Reddinger and 250,000 RSUs which vested upon the employment of Mr. Ballard as described above.