Note 3 - Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

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

	Weighted Average Exercise Price		# of shares			Weighted Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value
Outstanding, January 1, 2013	$	4.53		121,600
Granted		6.87		12,000
Cancelled		-		-
Exercised		4.23		(49,000	)
Outstanding, September 30, 2013	$	5.04		84,600			7.22	$	104,656
Exercisable, September 30, 2013	$	5.04		84,600			7.22	$	104,656
Outstanding, January 1, 2014	$	5.04		84,600
Granted		-		-
Cancelled		-		-
Exercised		4.32		(12,200	)
Outstanding, September 30, 2014	$	5.78		72,400			6.42	$	89,840
Exercisable, September 30, 2014	$	5.78		72,400			6.42	$	89,840

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

	September 30, 2014		September 30, 2013
Weighted average grant-date fair value of stock options granted		N/A	$	0.97
Total fair value of stock options vested		N/A	$	11,686
Total intrinsic value of stock options exercised	$	14,816	$	113,790

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	2014	2013
Volatility	N/A		19.1	%
Expected option life (in years)	N/A		3
Interest rate (risk free)	N/A		0.80	%
Dividends	None		None

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, September 30, 2014		34,601	$	8.96