Note 13 - Stock Based Compensation (Tables)

3 Months Ended

Mar. 31, 2020

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, 2019		2,612,500		$	0.62		2.00
Granted		-			-		-
Vested		(337,500	)		0.62		-
Forfeited		-			-		-
Non-vested at March 31, 2019		2,275,000		$	0.62		1.75
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