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Note 10 - Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2014

Stockholders' Equity Note [Abstract]

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

		2014								2013								2012
						Weighted								Weighted								Weighted
						Average								Average								Average
		Option				Exercise				Option				Exercise				Option				Exercise
		Shares				Price				Shares				Price				Shares				Price
Outstanding at January 1			84,600			$	5.04				121,600			$	4.53				115,600			$	4.40
Granted			-				-				12,000				6.87				12,000				5.27
Forfeited or expired			-				-				-				-				-				-
Exchanged			-				-				-				-				-				-
Exercised			(12,200	)			4.32				(49,000	)			4.23				(6,000	)			3.50
Outstanding at December 31			72,400			$	5.16				84,600			$	5.04				121,600			$	4.53
Exercisable at end of year			72,400			$	5.16				84,600			$	5.04				121,600			$	4.53
Weighted-average fair value of options granted during year			n/a							$	0.97							$	0.83

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
				Option				Exercise				Maturity				Option				Exercise				Maturity
Exercise Price Range				Shares				Price				(Years)				Shares				Price				(Years)
$4.27	to	$4.41			23,400			$	4.39				5.76				23,400			$	4.39				5.76
$4.80	to	$4.96			16,000				4.84				4.86				16,000				4.84				4.86
$5.30	to	$6.87			33,000				5.86				7.10				33,000				5.86				7.10
					72,400			$	5.16				6.17				72,400			$	5.16				6.17

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

		Shares				Grant Fair Value
Balance, January 1, 2014			-				-
Granted			34,601			$	8.96
Forfeited			-				-
Vested			-				-
Balance, December 31, 2014			34,601			$	8.96

X

- Definition

Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value.

+ References

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- Definition

Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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- Definition

Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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