Note 9 - Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Share-based Compensation, Stock Options, Activity [Table Text Block]

	Number of Shares			Weighted Average Exercise Price per Share			Weighted Average Fair Value at Grant Date		Weighted Average Remaining Contractual Life (years)		Intrinsic Value
Balance January 1, 2016		5,000		$	10.30		$	-	0.5		$	-
Options granted		-			-			-		-		-
Options exercised		-			-			-		-		-
Options expired		(5,000	)		(10.30	)		-		-		-
Balance December 31, 2016		-			-			-		-		-
Options granted		60,000			8.00			-		-		-
Options exercised		-			-			-		-		-
Options expired		-			-			-		-		-
Balance December 31, 2017		60,000			8.00		$	-		4.75	$	-