Note 13 - Stock Based Compensation (Tables)

12 Months Ended

Dec. 31, 2021

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, 2020		42,283		$	6.20		0.8
Cancelled/Forfeited		(36,071	)	$	5.54
Expired		(6,212	)	$	10.01
Outstanding at December 31, 2020		-		$	-		-
Outstanding at December 31, 2021		-		$	-		-	$	-
Exercisable at December 31, 2021		-		$	-		-	$	-

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, 2020		429,597		$	0.61
Vested		(12,931	)		1.16
Granted		-			-
Cancelled/Forfeited/Expired		-			-
Outstanding at December 31, 2020		416,666		$	0.60
Vested		-			-
Granted		-			-
Cancelled/Forfeited/Expired		-			-
Effect of reverse stock split		(381,945	)		-
Outstanding at December 31, 2021		34,721		$	7.20