CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 7,368	$ 7,404
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	5,438	5,109
Deferred income taxes, net	(1,690)	(486)
Stock compensation	90	95
AFUDC, equity portion	(311)	(186)
Changes in assets and liabilities:
Accounts receivable, net of allowance for doubtful accounts	3,604	(861)
Income tax receivable	574	2,092
Unbilled operating revenues	(335)	(431)
Materials and supplies	159	94
Income taxes payable	899	0
Prepaid property taxes	1,867	1,791
Prepaid expenses and other	(572)	(478)
Other deferred assets	(373)	(254)
Regulatory assets	189	165
Regulatory liabilities	(210)	(50)
Accounts payable	(3,775)	(3,734)
Accrued expenses	(1,404)	442
Accrued interest	1,023	(220)
Revenue reserved for refund	(3,298)	0
Customer deposits and other, net	(267)	2,172
NET CASH PROVIDED BY OPERATING ACTIVITIES	8,976	12,664
CASH FLOWS FROM INVESTING ACTIVITIES
Capital expenditures (net of AFUDC, equity portion)	(18,157)	(22,994)
Proceeds from sale of assets	36	30
NET CASH USED IN INVESTING ACTIVITIES	(18,121)	(22,964)
CASH FLOWS FROM FINANCING ACTIVITIES
Net borrowings under lines of credit agreements	9,757	9,823
Increase in overdraft payable	661	169
Net advances and contributions in aid of construction	3,314	4,076
Net proceeds from issuance of common stock	598	612
Dividends paid	(4,522)	(4,373)
Debt issuance costs	0	(75)
Principal repayments of long-term debt	(771)	(668)
NET CASH PROVIDED BY FINANCING ACTIVITIES	9,037	9,564
NET DECREASE IN CASH AND CASH EQUIVALENTS	(108)	(736)
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	293	952
CASH AND CASH EQUIVALENTS AT END OF PERIOD	185	216
Non-cash Investing and Financing Activity:
Utility plant received as construction advances and contributions	1,595	185
Dividends declared but not paid	2,282	2,206
Supplemental Disclosures of Cash Flow Information:
Interest paid	2,447	3,220
Income taxes paid	$ 2,940	$ 1,289