Note 18 - Employee Benefit Plans (Details) (USD $)	12 Months Ended			3 Months Ended		12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Mar. 31, 2010 Less Than Two Years of Service [Member]	Mar. 31, 2010 Yearly After Two Years of Service [Member]	Dec. 31, 2013 First Two and Half Percent of Eligible Compensation [Member]	Dec. 31, 2013 Matched at 100% [Member]	Dec. 31, 2013 Maximum [Member]	Dec. 31, 2013 Minimum [Member]
Note 18 - Employee Benefit Plans (Details) [Line Items]
Minimum Number Of Years Allowed To Participate In Employee Stock Ownership Plan		2 years
Minimum number of hours allowed to participate in employee stock ownership plan for part-time employees		1000 hours
Stock Issued During Period, Shares, Employee Stock Purchase Plans (in Shares)	3,825	2,814	3,437
Stock Issued During Period, Value, Employee Stock Purchase Plan	$ 92,000	$ 47,000	$ 47,000
Benefits Distributed to Participants, Shares (in Shares)	51,779	116,124	83,020
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares)	1,140,788
Percentage Of Outstanding Common Stock Under Employee Stock Ownership Plan	1.40%
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent	75.00%						2.50%
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage				0.00%	25.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay						100.00%
Defined Contribution Plan, Employer Discretionary Contribution Amount	1,000,000	1,000,000	900,000
Percentage of Participant Borrowing Capacity of Vested Amount	50.00%
Employee Stock Ownership Plan (ESOP), Debt Structure, Direct Loan, Employer Cash Payments Used for Debt Service								$ 50,000	$ 1,000