Note 12 - Stock Based Compensation (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

Nonvested Restricted Stock Shares Activity [Table Text Block]

	Number of Shares			Weighted- Average Grant Date Fair Value per Share		Weighted- Average Remaining Contractual Term (Years)
Non-vested at January 1, 2020		2,025,000		$	0.76		1.54
Granted		-			-		-
Vested		(337,500	)		0.71		-
Forfeited		-			-		-
Non-vested at March 31, 2020		1,687,500		$	0.77		1.33
Non-vested at January 1, 2021		425,000		$	1.01		1.50
Granted		-			-		-
Vested		(75,000	)		1.01		-
Forfeited		-			-		-
Non-vested at March 31, 2021		350,000		$	1.01		1.25