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

3 Months Ended

Mar. 31, 2016

Notes Tables

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

	Three Months Ended March 31,
	2016		2015
Net earnings used in the computation of basic and diluted earnings per share	$	2,260,000	$	2,043,000
Weighted average shares outstanding - basic		13,927,063		13,584,922
Common stock equivalents		741,595		963,162
Weighted average shares outstanding - diluted		14,668,658		14,548,084
Per Share Data:
Basic
Net earnings	$	0.16	$	0.15
Diluted
Net earnings	$	0.15	$	0.14

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

	No. of			Weighted Average
	Shares			Exercise Price
Outstanding December 31, 2015		946,546		$	8.39
Granted		109,332			16.35
Exercised		(52,984	)		6.06
Lapsed		(1,592	)		5.62
Cancelled		-			-
Outstanding March 31, 2016		1,001,302		$	9.38

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

	No. of			Weighted Average
	Shares			Exercise Price
Outstanding December 31, 2015		381,566		$	8.14
Granted		58,108			16.35
Exercised		(36,208	)		5.62
Lapsed		-			-
Cancelled		-			-
Outstanding March 31, 2016		403,466		$	9.54

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

Three months ended
March 31,	SARS		Options
Exercise price
2016		$16.35		$16.35
2015		18.66		18.66
Market price
2016		16.35		16.35
2015		18.66		18.66
Risk free interest rate 1
2016		1.3%		1.3%
2015		1.5%		1.5%
Expected award life (years) 2		5		5
Expected volatility 3
2016		36.5%		36.5%
2015		34.9%		34.9%
Expected dividend yield 4
2016		2.0%		2.0%
2015		1.6%		1.6%