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

3 Months Ended

Mar. 31, 2015

Notes Tables

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

	Three Months Ended March 31,
	2015		2014
Net earnings used in the computation of basic and diluted earnings per share	$	2,043,000	$	1,218,000
Weighted average shares outstanding - basic		13,584,922		13,128,946
Common stock equivalents		963,162		424,794
Weighted average shares outstanding - diluted		14,548,084		13,553,740
Per Share Data:
Basic
Net earnings	$	0.15	$	0.09
Diluted
Net earnings	$	0.14	$	0.09

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

	No. of			Weighted Average
	Shares			Exercise Price
Outstanding		1,118,058		$	6.63
Granted		92,308			18.66
Exercised		(54,590	)		7.68
Lapsed		-			-
Cancelled		-			-
Outstanding		1,155,776		$	7.54

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

	No. of			Weighted Average
	Shares			Exercise Price
Outstanding		522,024		$	6.17
Granted		53,292			18.66
Exercised		(97,334	)		5.83
Lapsed		-			-
Cancelled		-			-
Outstanding		477,982		$	7.63

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

Three months ended
March 31,	SARS		Options
Exercise price
2015		$18.66		$18.66
2014		$7.36		$7.36
Market price
2015		$18.66		$18.66
2014		$7.36		$7.36
Risk free interest rate (1)
2015		1.5%		1.5%
2014		1.5%		1.5%
Expected award life (years) (2)		5		5
Expected volatility (3)
2015		34.9%		34.9%
2014		42.5%		42.5%
Expected dividend yield (4)
2015		1.6%		1.6%
2014		3.7%		3.7%