Note 8 - Stock Based Compensation (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

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

	Number of shares			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value (in thousands)
Outstanding at January 1, 2019		63,197		$	7.01		1.8
Cancelled/Forfeited		(20,914	)	$	8.64
Outstanding at December 31, 2019		42,283		$	6.20		.8
Cancelled/Forfeited		(36,071	)	$	5.54
Expired		(6,212	)	$	10.01
Outstanding at December 31, 2020		-		$	-		-	$	-
Exercisable at December 31, 2020		-		$	-		-	$	-

Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]

	Number of shares			Weighted- Average Grant Date Fair Value
Outstanding at January 1, 2019		204,575		$	0.83
Vested		(30,354	)		1.81
Granted		416,666			0.60
Cancelled/Forfeited/Expired		(161,290	)		0.62
Outstanding at December 31, 2019		429,597		$	0.61
Vested		(12,931	)		1.16
Granted		-			-
Cancelled/Forfeited /Expired		-			-
Outstanding at December 31, 20 20		416,666		$	0.60