Note 1 - Summary of Significant Interim Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2014

Accounting Policies [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
Net earnings used in the computation of basic and diluted earnings per share	$	3,907,000	$	1,438,000	$	5,125,000	$	2,667,000
Weighted average shares outstanding - basic		6,603,902		6,126,323		6,584,188		6,123,752
Common stock equivalents		220,368		43,798		216,382		46,046
Weighted average shares outstanding - diluted		6,824,270		6,170,121		6,800,570		6,169,798
Per Share Data :
Basic
Net earnings	$	0.59	$	0.23	$	0.78	$	0.44
Diluted
Net earnings	$	0.57	$	0.23	$	0.75	$	0.43

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

	No. of Shares			Weighted Average Exercise Price
Outstanding December 31, 2013		557,029		$	11.51
Granted		139,809			14.84
Exercised		(68,704	)		11.04
Lapsed		(10,000	)		16.00
Cancelled		(750	)		11.72
Outstanding June 30, 2014		617,384		$	12.20

Schedule of Share-based Compensation, Stock Appreciation Rights Award Activity [Table Text Block]

	No. of Shares			Weighted Average Exercise Price
Outstanding December 31, 2013		226,406		$	11.52
Granted		68,691			14.72
Exercised		(11,439	)		11.04
Lapsed		-			-
Cancelled		-			-
Outstanding June 30, 2014		283,658		$	12.31

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

	Three Months Ended June 30,
	SARS	Options
Exercise price
2014	N/A	$15.91
2013	N/A	$11.70
Market price
2014	N/A	$15.91
2013	N/A	$11.70
Risk-free interest rate (1)
2014	N/A	2.6%
2013	N/A	1.7%
Expected award life (years) (2)	N/A	10
Expected volatility (3)
2014	N/A	37.3%
2013	N/A	36.7%
Expected dividend yield (4)
2014	N/A	3.4%
2013	N/A	4.6%

	Six Months Ended June 30,
	SARS			Options
Exercise price
2014		$14.72			$14.72-$15.91
2013		$11.29			$11.29-$11.70
Market price
2014		$14.72			$14.72-$15.91
2013		$11.29			$11.29-$11.70
Risk-free interest rate (1)
2014		1.5	%		1.5%-2.6	%
2013		0.9	%		0.9%-1.7	%
Expected award life (years) (2)		5			5 - 10
Expected volatility (3)
2014		42.5	%		37.3%-42.5	%
2013		46.0	%		36.7%-46.0	%
Expected dividend yield (4)
2014		3.7	%		3.4%-3.7	%
2013		4.8	%		4.6%-4.8	%