Note 14 - Benefit Plans (Details) (USD $)	0 Months Ended	1 Months Ended	3 Months Ended	9 Months Ended
	Jul. 02, 2013	Jan. 31, 2013	Sep. 30, 2013	Sep. 30, 2013	Dec. 31, 2012
Note 14 - Benefit Plans (Details) [Line Items]
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Amount	$ 0.10
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent	6.00%
Defined Contribution Plan, Employer Discretionary Contribution Amount			13,000	13,000
Criteria For Defined Benefit Pension Plan				12
Attainable Age For Continuous Servicing In Defined Pension Plan				21 years
Defined Benefit Pension Plan, Liabilities			3,300,000	3,300,000	4,000,000
Defined Benefit Plan, Fair Value of Plan Assets			15,853,000	15,853,000	14,540,000
Defined Contribution Plan Employer Final Contribution Amount		163,000
Defined Benefit Plan, Contributions by Employer				1,000,000
Cash Surrender Value of Life Insurance			$ 1,600,000	$ 1,600,000	$ 1,600,000
Common Stock [Member]
Note 14 - Benefit Plans (Details) [Line Items]
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Redemption Restriction, Percentage			0.30%	0.30%	0.20%