Note 6 - Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2025

Notes Tables

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

	Restricted Stock
	March 31,			March 31,
	2025			2024
Equity awards outstanding, beginning of year		11,843,586			9,639,068
Changes during the year:
Granted		2,547,179			3,304,468
Exercised or vested		(1,431,666	)		(1,379,543	)
Expired or Forfeited		(20,052	)		(165,514	)
Equity awards outstanding, end of period		12,939,047			11,398,479

Share-Based Payment Arrangement, Option, Activity [Table Text Block]

	Stock Options
	March 31,			March 31,
	2025			2024
Stock options vested and unvested outstanding, beginning of year		4,470,216			4,697,029
Changes during the year:					—
Granted		—			—
Exercised		(5,000	)		(2,500	)
Expired or Forfeited		—			—
Stock options vested and unvested outstanding, end of period		4,465,216			4,694,529