5. Loans, Allowance for Loan Losses and Credit Quality (Details 6) (USD $)	6 Months Ended
	Jun. 30, 2012 integer
Number of TDRs contracts which subsequently default	5
Recorded Investment	$ 788,949
Commercial and industrial
Number of TDRs contracts which subsequently default	3
Recorded Investment	283,363
Commercial Real Estate
Number of TDRs contracts which subsequently default	1
Recorded Investment	398,002
Residential Real Estate 1st Lien
Number of TDRs contracts which subsequently default	1
Recorded Investment	$ 107,584