Note 3 - Net Income (Loss) Per Common Share - Basic and Diluted (Tables)

6 Months Ended

Jun. 30, 2023

Notes Tables

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

	3 Months Ended				6 Months Ended
	June 30,		June 30,		June 30,		June 30,
	2023		2022		2023		2022
Weighted average common shares outstanding - basic		517,926,610		510,499,497		516,746,718		506,985,962
Effects of dilutive shares
Stock Options		—		—		—		5,583,152
Series C Preferred Stock		—		—		—		—
Weighted average common shares outstanding - diluted		517,926,610		510,499,497		516,746,718		512,569,114

Schedule of Stock by Class [Table Text Block]

	June 30,
	2023		2022
Stock options		26,012,500		26,134,500
Restricted Stock Units		7,000,000		—
Shares of Series C Preferred Stock		40,630,000		40,630,000
		73,642,500		66,764,500