Note 8 - Borrowed Funds (Details) - Long-term Borrowing Maturities (Parentheticals)	Jun. 30, 2015	Dec. 31, 2014
Repurchase Agreement Maturing in 2017 with a Rate of 3.595% [Member]
Note 8 - Borrowed Funds (Details) - Long-term Borrowing Maturities (Parentheticals) [Line Items]
Rate	3.595%	3.595%
Repurchase Agreement Maturing in 2017 with a Rate of 4.265% [Member]
Note 8 - Borrowed Funds (Details) - Long-term Borrowing Maturities (Parentheticals) [Line Items]
Rate	4.265%	4.265%
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 (Parentheticals) [Line Items]
Rate	6.86%	6.86%
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 (Parentheticals) [Line Items]
Rate	6.83%	6.83%
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 (Parentheticals) [Line Items]
Rate	3.81%	3.81%
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 (Parentheticals) [Line Items]
Rate	4.79%	4.79%
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 (Parentheticals) [Line Items]
Rate	4.91%	4.91%