CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Operating Activities
Net income	$ 4,077	$ 4,112	$ 3,660
(Accretion), amortization and depreciation
Securities	611	369	483
Bank premises and equipment	883	850	787
Core deposit intangible	222	222	222
Mortgage servicing rights	379	240	197
Fair value adjustment on loans	33	42	42
(Gains) and losses
Sales and calls of securities available-for-sale, net	(279)	(11)	(16)
Other real estate owned	123	231	15
Loss on sale/disposals of premises and equipment			6
Provision for loan losses	1,070	1,440	1,000
(Increase) decrease in loans held-for-sale	(931)	236	(519)
Increase in deferred loan origination fees and costs, net	(28)	(182)	(236)
Mortgage servicing rights originated	(682)	(329)	(453)
Increase (decrease) in mortgage servicing rights impairment reserve	16	12	(20)
Decrease in interest receivable	308	6	45
Deferred tax (benefit) expense	(199)	130	71
Decrease in prepaid expenses	207	576	757
Increase in cash surrender value of life insurance policies	(258)	(183)	(169)
Decrease (increase) in income tax receivable	242	147	(824)
(Increase) decrease in other assets	(26)	41	149
Increase (decrease) in accrued expenses	927	(442)	270
Decrease in interest payable	(75)	(164)	(88)
Increase (decrease) in other liabilities	473	(587)	62
Issuance of shares for directors' fee	24	28	23
Net cash provided by operating activities	7,117	6,784	5,464
Investing Activities
Proceeds from maturities of interest-bearing time deposits with other banks		5,000
Redemption of Federal Home Loan Bank of Boston stock	(285)
Purchases of securities available-for-sale	(6,288)	(45,831)	(52,932)
Proceeds from sale of securities available-for-sale	2,771
Proceeds from calls of securities available-for-sale	12,625	27,565	24,745
Proceeds from maturities of securities available-for-sale	22,420	15,498	27,221
Proceeds from maturities of securities held-to-maturity	50	6	6
Loan originations and principle collections, net	(18,888)	(22,556)	(26,443)
Recoveries of loans previously charged-off	100	82	29
Proceeds from sale of other real estate owned	2,098	492	66
Purchase of life insurance policies		(3,000)
Proceeds from sales/disposals of premises and equipment		200	382
Capital expenditures	(380)	(821)	(2,906)
Proceeds from sales of investment in real estate		75
Net cash provided (utilized) by investing activities	14,793	(23,290)	(29,832)
Financing Activities
Increase in deposit transaction accounts, net	29,724	62,367	40,572
Decrease in time deposits, net	(9,815)	(21,350)	(28,486)
Decrease (increase) in securities sold under agreements to repurchase, net	(10,364)	(1,042)	1,775
Principal payments on Federal Home Loan Bank of Boston advances	(22,635)	(18,197)	(3,552)
Proceeds from issuance of Series B preferred stock		16,000
Redemption of Series A preferred stock		(8,816)
Redemption of common stock warrants		(205)
Common stock dividends paid	(1,892)	(1,891)	(1,890)
Series A and Series B preferred stock dividends paid	(240)	(382)	(441)
Net cash (utilized) provided by financing activities	(15,222)	26,484	7,978
Net increase (decrease) in cash and cash equivalents	6,688	9,978	(16,390)
Cash and cash equivalents, beginning of year	36,886	26,908	43,298
Cash and cash equivalents, end of year	43,574	36,886	26,908
Cash paid during year
Interest	4,357	5,723	7,585
Income taxes	946	673	1,446
Non-cash transfers
From loans to other real estate owned	1,047	3,057	610
From other real estate owned to loans	$ (1,326)	$ 200	$ 194