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

3 Months Ended

9 Months Ended

Sep. 30, 2012

Sep. 30, 2012

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

	Three Months Ended September 30,				Nine Months Ended September 30,
	2012		2011		2012		2011
Net earnings used in the computation of basic and diluted earnings per share	$	1,242,000	$	1,880,000	$	2,546,000	$	3,411,000
Weighted average shares outstanding - basic		6,063,269		5,986,676		6,051,795		5,986,884
Common stock equivalents		84,743		92,754		92,076		93,956
Weighted average shares outstanding - diluted		6,148,012		6,079,430		6,143,871		6,080,840
Per Share Data :
Basic
Net earnings	$	0.20	$	0.31	$	0.42	$	0.57
Diluted
Net earnings	$	0.20	$	0.31	$	0.41	$	0.56

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

	No. of Shares			Weighted Average Exercise Price
Outstanding December 31, 2011		671,500		$	10.66
Granted		194,223			12.62
Exercised		(74,045	)		9.68
Lapsed		(86,400	)		12.57
Cancelled		(23,354	)		12.44
Outstanding September 30, 2012		681,924		$	11.02

Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]

	No. of			Weighted Average
	Shares			Exercise Price
Outstanding December 31, 2011		257,424		$	11.32
Granted		65,752			13.15
Exercised		(115,004	)		12.10
Lapsed		-			-
Cancelled		(12,396	)		13.15
Outstanding September 30, 2012		195,776		$	11.36

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

	Three Months Ended September 30,
	SARS	Options
Exercise price
2012	N/A	$11.72
2011	N/A	$11.95
Market price
2012	N/A	$11.72
2011	N/A	$11.95
Risk free interest rate (1)
2012	N/A	0.7%
2011	N/A	1.2%
Expected award life (years) (2)	N/A	5
Expected volatility (3)
2012	N/A	45.9%
2011	N/A	43.9%
Expected dividend yield (4)
2012	N/A	4.6%
2011	N/A	4.5%

	Nine Months Ended September 30,
	SARS	Options
Exercise price
2012	$13.15	$11.72	-	$13.15
2011	$11.24	$11.10	-	$11.95
Market price
2012	$13.15	$11.72	-	$13.15
2011	$11.24	$11.10	-	$11.95
Risk free interest rate (1)
2012	0.8%	0.7%	-	1.9%
2011	2.3%	1.2%	-	3.2%
Expected award life (years) (2)	5	5	-	10
Expected volatility (3)
2012	45.1%	36.4%	-	45.9%
2011	43.5%	35.5%	-	43.9%
Expected dividend yield (4)
2012	4.1%	4.1%	-	4.6%
2011	4.8%	4.5%	-	4.9%