Note 16 - Benefit Plans (Details) - Fair Value of Pension Plan Assets by Major Category (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Note 16 - Benefit Plans (Details) - Fair Value of Pension Plan Assets by Major Category [Line Items]
Total assets	$ 16,468	$ 16,798
Cash and Cash Equivalents [Member]
Note 16 - Benefit Plans (Details) - Fair Value of Pension Plan Assets by Major Category [Line Items]
Total assets	5,214	4,440
US Government Agencies Debt Securities [Member]
Note 16 - Benefit Plans (Details) - Fair Value of Pension Plan Assets by Major Category [Line Items]
Total assets		549
State and Municipal [Member]
Note 16 - Benefit Plans (Details) - Fair Value of Pension Plan Assets by Major Category [Line Items]
Total assets		470
Corporate Debt Securities [Member]
Note 16 - Benefit Plans (Details) - Fair Value of Pension Plan Assets by Major Category [Line Items]
Total assets		3,398
Mutual Funds [Member]
Note 16 - Benefit Plans (Details) - Fair Value of Pension Plan Assets by Major Category [Line Items]
Total assets	2,358	3,596
Corporate Stocks [Member]
Note 16 - Benefit Plans (Details) - Fair Value of Pension Plan Assets by Major Category [Line Items]
Total assets	1,095	3,329
Exchange Traded Funds [Member]
Note 16 - Benefit Plans (Details) - Fair Value of Pension Plan Assets by Major Category [Line Items]
Total assets	7,614	287
Foreign Equities [Member]
Note 16 - Benefit Plans (Details) - Fair Value of Pension Plan Assets by Major Category [Line Items]
Total assets	177	694
Accrued Interest Receivable [Member]
Note 16 - Benefit Plans (Details) - Fair Value of Pension Plan Assets by Major Category [Line Items]
Total assets	4	30
Other Plan Assets [Member]
Note 16 - Benefit Plans (Details) - Fair Value of Pension Plan Assets by Major Category [Line Items]
Total assets	$ 6	$ 5