Note 2 - Investments and Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2025

Notes Tables

Cash, Cash Equivalent, and Investment [Table Text Block]

		*December 31, 2025*																*December 31, 2024*
						*Gross*				*Gross*												*Gross*				*Gross*
		*Amortized*				*Unrealized*				*Unrealized*				*Fair*				*Amortized*				*Unrealized*				*Unrealized*				*Fair*
		*Cost*				*Gain*				*(Loss)*				*Value*				*Cost*				*Gain*				*(Loss)*				*Value*
Classified as:
Cash, restricted cash and cash equivalents		$	128,366			$	—			$	—			$	128,366			$	33,811			$	—			$	—			$	33,811