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

9 Months Ended

Sep. 30, 2014

Accounting Policies [Abstract]

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

	Three Months				Nine Months
	Ended September 30,				Ended September 30,
	2014		2013		2014		2013
Net earnings used in the computation of basic and diluted earnings per share	$	3,368,000	$	1,508,000	$	8,493,000	$	4,175,000
Weighted average shares outstanding - basic		6,687,783		6,346,260		6,618,719		6,197,921
Common stock equivalents		314,318		57,633		249,028		49,909
Weighted average shares outstanding - diluted		7,002,101		6,403,893		6,867,747		6,247,830
Per Share Data :
Basic
Net earnings	$	0.50	$	0.24	$	1.28	$	0.67
Diluted
Net earnings	$	0.48	$	0.24	$	1.24	$	0.67

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

	No. of			Weighted Average
	Shares			Exercise Price
Outstanding December 31, 2013		557,029		$	11.51
Granted		198,609			16.59
Exercised		(148,109	)		11.22
Lapsed		(10,200	)		15.84
Cancelled		(6,250	)		12.85
Outstanding September 30, 2014		591,079		$	13.21

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

	No. of			Weighted Average
	Shares			Exercise Price
Outstanding December 31, 2013		226,406		$	11.52
Granted		68,691			14.72
Exercised		(34,085	)		11.70
Lapsed		-			-
Cancelled		-			-
Outstanding September 30, 2014		261,012		$	12.33

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

	Three Months Ended September 30,
	SARS	Options
Exercise price
2014	N/A	$20.75
2013	N/A	$11.76
Market price
2014	N/A	$20.75
2013	N/A	$11.76
Risk free interest rate (1)
2014	N/A	1.8%
2013	N/A	1.4%
Expected award life (years) (2)	N/A	5
Expected volatility (3)
2014	N/A	37.4%
2013	N/A	45.7%
Expected dividend yield (4)
2014	N/A	2.9%
2013	N/A	4.6%

	Nine Months Ended September 30,
	SARS	Options
Exercise price
2014	$14.72	$14.72 - $20.75
2013	$11.29	$11.29 - $11.76
Market price
2014	$14.72	$14.72 - $20.75
2013	$11.29	$11.29 - $11.76
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%	2.9% - 3.7%
2013	4.8%	4.6% - 4.8%