Note 11 - Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2013

Stockholders' Equity Note [Abstract]

Schedule of Share-based Compensation, Activity [Table Text Block]

	2013					2012					2011
				Weighted					Weighted				Weighted
				Average					Average				Average
	Option			Exercise		Option			Exercise		Option		Exercise
	Shares			Price		Shares			Price		Shares		Price
Outstanding at January 1		121,600		$	4.53		115,600		$	4.40		103,600	$	4.35
Granted		12,000			6.87		12,000			5.27		12,000		4.80
Forfeited or expired		-			-		-			-		-		-
Exchanged		-			-		-			-		-		-
Exercised		(49,000	)		4.23		(6,000	)		3.50		-		-
Outstanding at December 31		84,600		$	5.04		121,600		$	4.53		115,600	$	4.40
Exercisable at end of year		84,600		$	5.04		121,600		$	4.53		115,600	$	4.40
Weighted-average fair value of options granted during year	$	0.97				$	0.83				$	1.19

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

			Options Outstanding						Options Exercisable
					Weighted		Weighted				Weighted		Weighted
					Average		Average				Average		Average
Exercise Price Range			Option Shares		Exercise Price		Maturity (Years)		Option Shares		Exercise Price		Maturity (Years)
$2.72	to	$3.90		2,000	$	3.87		0.99		2,000	$	3.87		0.99
$3.91	to	$5.30		82,600		5.07		7.37		82,600		5.07		7.37
				84,600	$	5.04		7.22		84600	$	5.04		7.22