CONSOLIDATED STATEMENTS OF CASH FLOWS - Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Operating Activities
Net income	$ 1,604	$ 1,512
(Accretion), amortization and depreciation:
Securities	42	60
Bank premises and equipment	327	306
Core deposit intangible	126	155
Modification fees on Federal Home Loan Bank of Boston advances	57	58
Subordinated debt issuance costs	6	6
Mortgage servicing rights	68	51
Fair value adjustment on loans	(495)	(586)
Fair value adjustment on deposits	(24)	(38)
(Gains) and losses, including write-downs
Gains on sales and calls of securities, available-for-sale, net		(2)
Gains on sales of loans, excluding capitalized servicing rights	(36)	(19)
Write-downs of other real estate owned	144
Loss on sale/disposals of premises and equipment		13
Provision for loan losses	352	463
Proceeds from loans sold	1,881	1,787
Loans originated for sale	(1,898)	(1,188)
Decrease (increase) in deferred loan origination fees and costs, net	152	(44)
Mortgage servicing rights originated	(25)	(20)
Increase in mortgage servicing rights impairment reserve	2	20
Increase in interest receivable	(7)	(144)
Increase (decrease) in prepaid expenses	(269)	47
Increase in cash surrender value of life insurance policies	(88)	(90)
Decrease in income tax receivable	293	506
Decrease in other assets	813	125
Decrease in accrued expenses	(130)	(113)
Increase (decrease) in interest payable	149	(30)
(Decrease) increase in other liabilities	(64)	51
Stock based compensation - restricted stock awards	61	47
Net cash provided by operating activities	3,041	2,933
Investing Activities
(Purchase) redemption of Federal Home Loan Bank stock	(299)	59
Purchases of securities available-for-sale	(5,016)	(10,072)
Proceeds from calls of securities available-for-sale	2,990	5,351
Proceeds from maturities of securities available-for-sale	4,774	2,253
Loan originations and principle collections, net	(1,777)	(29,674)
Recoveries of loans previously charged off	83	14
Capital expenditures	(503)	(644)
Net cash provided (utilized) by investing activities	252	(32,713)
Financing Activities
(Decrease) increase in deposit transaction accounts, net	(6,920)	3,330
Decrease in time deposits, net	(2,410)	(2,167)
Decrease in securities sold under agreements to repurchase, net	(3,185)	(1,294)
Federal Home Loan Bank of Boston advances	15,500
Principal payments on Federal Home Loan Bank of Boston advances		(6)
Principal payments on note payable	(9)	(11)
Decrease in capital lease obligation	(1)	(2)
Stock options exercised	313	87
Common stock dividends paid	(774)	(772)
Net cash provided (utilized) by financing activities	2,514	(835)
Net increase (decrease) in cash and cash equivalents	5,807	(30,615)
Cash and cash equivalents, beginning of period	35,485	62,118
Cash and cash equivalents, end of period	41,292	31,503
Cash paid during year
Interest	765	760
Income taxes	300	258
Non-cash investing and financing activities
Transfer from loans to other real estate owned	$ 204