CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 8,301	$ 9,846	$ 6,746
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	8,251	7,930	7,410
Deferred income taxes, net	3,843	4,191	4,466
Stock compensation	123	108	120
AFUDC, equity portion	(208)	(205)	(100)
Changes in assets and liabilities:
Accounts receivable, net of allowance for doubtful accounts	457	(757)	215
Unbilled operating revenues	(12)	639	(22)
Materials and supplies	(132)	130	(237)
Prepaid property taxes	(163)	(35)	(33)
Prepaid expenses and other	(275)	73	1,110
Other deferred assets	(139)	(266)	(254)
Regulatory assets	50	341	(124)
Accounts payable	641	715	(617)
Accrued expenses	280	1,177	127
Accrued interest	(11)	(85)	34
Customer deposits and other, net	81	(348)	451
Postretirement benefit obligation	(65)	(81)	(70)
NET CASH PROVIDED BY OPERATING ACTIVITIES	21,022	23,373	19,222
CASH FLOWS USED IN INVESTING ACTIVITIES
Capital expenditures (net of AFUDC, equity portion)	(21,188)	(20,546)	(15,787)
Proceeds from sale of assets	33	29	55
NET CASH USED IN INVESTING ACTIVITIES	(21,155)	(20,517)	(15,732)
CASH FLOWS FROM FINANCING ACTIVITIES
Net (repayments) borrowings under lines of credit agreements	(385)	(1,023)	(17,331)
(Increase) decrease in overdraft payable	(4)	385	(375)
Net advances and contributions in aid of construction	5,701	3,629	1,640
Change in deferred debt issuance costs	120	119	72
Net proceeds from issuance of common stock	2,439	2,079	17,176
Dividends paid	(7,207)	(6,850)	(6,191)
Issuance of long-term debt	385	729	3,195
Principal repayments of long-term debt	(1,111)	(1,618)	(1,544)
NET CASH (USED IN)PROVIDED BY FINANCING ACTIVITIES	(62)	(2,550)	(3,358)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(195)	306	132
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	617	311	179
CASH AND CASH EQUIVALENTS AT END OF YEAR	422	617	311
Supplemental Disclosures of Cash Flow Information:
Utility plant received as construction advances and contributions	948	1,904	706
Contractual amounts of contributions in aid of construction due from developers included in accounts receivable	349	629	627
Contractual amounts of contributions in aid of construction received from developers included in accounts receivable	505	602	509
Supplemental Disclosures of Cash Flow Information:
Interest paid	7,066	7,255	7,255
Income taxes paid	$ 2,014	$ 312	$ 312