Note 8 - Borrowed Funds (Details) - Long-term Borrowing Maturities - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Note 8 - Borrowed Funds (Details) - Long-term Borrowing Maturities [Line Items]
Repurchase agreements	$ 62,916	$ 73,060
Repurchase Agreement Maturing in 2017 with a Rate of 3.595% [Member]
Note 8 - Borrowed Funds (Details) - Long-term Borrowing Maturities [Line Items]
Repurchase agreements	27,000	27,000
Repurchase Agreement Maturing in 2017 with a Rate of 4.265% [Member]
Note 8 - Borrowed Funds (Details) - Long-term Borrowing Maturities [Line Items]
Repurchase agreements	24,000	34,000
Repurchase Agreements [Member]
Note 8 - Borrowed Funds (Details) - Long-term Borrowing Maturities [Line Items]
Repurchase agreements	51,000	61,000
Federal Home Loan Bank of Pittsburgh [Member]
Note 8 - Borrowed Funds (Details) - Long-term Borrowing Maturities [Line Items]
Long-term borrowings from FHLB - Pittsburgh	11,916	12,060
Federal Home Loan Bank of Pittsburgh [Member] | Federal Home Loan Bank Borrowings Loan Maturing in 2016 With Rate of 6.86% [Member]
Note 8 - Borrowed Funds (Details) - Long-term Borrowing Maturities [Line Items]
Long-term borrowings from FHLB - Pittsburgh	83	107
Federal Home Loan Bank of Pittsburgh [Member] | Federal Home Loan Bank Borrowings Loan Maturing in 2017 With Rate of 6.83% [Member]
Note 8 - Borrowed Funds (Details) - Long-term Borrowing Maturities [Line Items]
Long-term borrowings from FHLB - Pittsburgh	13	16
Federal Home Loan Bank of Pittsburgh [Member] | Federal Home Loan Bank Borrowings Loan Maturing in 2017 With Rate of 3.81% [Member]
Note 8 - Borrowed Funds (Details) - Long-term Borrowing Maturities [Line Items]
Long-term borrowings from FHLB - Pittsburgh	10,000	10,000
Federal Home Loan Bank of Pittsburgh [Member] | Federal Home Loan Bank Borrowings Loan Maturing in 2020 With Rate of 4.79% [Member]
Note 8 - Borrowed Funds (Details) - Long-term Borrowing Maturities [Line Items]
Long-term borrowings from FHLB - Pittsburgh	905	987
Federal Home Loan Bank of Pittsburgh [Member] | Federal Home Loan Bank Borrowings Loan Maturing in 2025 With Rate of 4.91% [Member]
Note 8 - Borrowed Funds (Details) - Long-term Borrowing Maturities [Line Items]
Long-term borrowings from FHLB - Pittsburgh	$ 915	$ 950