Note 1 - Description of Business and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Weighted Average Number of Shares [Table Text Block]

	December 31,
	2023		2022
Weighted average common shares outstanding - basic		517,777,847		510,794,145
Effects of dilutive shares
Stock options		—		—
Series C redeemable convertible preferred stock		—		—
Weighted average common shares outstanding - diluted		517,777,847		510,794,145

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

	December 31,
	2023		2022
Stock options		24,787,500		24,993,500
4,063 Shares of Series C redeemable convertible preferred stock		40,630,000		40,630,000
		65,417,500		65,623,500