Note 5 - Stock-Based Compensation - Allocation of Stock-Based Compensation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Stock-based compensation expense	$ 10,029	$ 11,158
Stock-based compensation capitalized to software and patent costs	30	63
Total stock-based compensation	10,059	11,221
Cost of Sales [Member]
Stock-based compensation expense	706	1,126
Selling and Marketing Expense [Member]
Stock-based compensation expense	2,788	2,640
Research and Development Expense [Member]
Stock-based compensation expense	2,522	2,962
General and Administrative Expense [Member]
Stock-based compensation expense	$ 4,013	$ 4,430