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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES    
Net income $ 6,337 $ 5,870
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 4,648 4,564
Deferred income taxes, net 2,145 1,731
Stock compensation 327 22
AFUDC, equity portion (99) (48)
Changes in assets and liabilities:    
Accounts receivable, net of allowance for doubtful accounts 1,000 (1,535)
Income taxes receivable (65) 1,371
Unbilled operating revenues (254) (184)
Materials and supplies (41) (223)
Prepaid property taxes 1,666 1,588
Prepaid expenses and other (501) (546)
Other deferred assets (164) (181)
Regulatory assets 180 336
Accounts payable (2,128) (1,281)
Accrued expenses 1,891 951
Accrued interest (76) (42)
Customer deposits and other, net 965 782
NET CASH PROVIDED BY OPERATING ACTIVITIES 15,831 13,175
CASH FLOWS FROM INVESTING ACTIVITIES    
Capital expenditures (net of AFUDC, equity portion) (17,140) (12,050)
Proceeds from sale of assets 15 32
NET CASH USED IN INVESTING ACTIVITIES (17,125) (12,018)
CASH FLOWS FROM FINANCING ACTIVITIES    
Net repayments under lines of credit agreements (1,935) (5,669)
Increase in overdraft payable 1,151 295
Net advances and contributions in aid of construction 6,008 7,709
Net proceeds from issuance of common stock 1,057 1,216
Dividends paid (4,205) (4,052)
Debt issuance costs (148) 0
Principal repayments of long-term debt (557) (642)
NET CASH USED IN FINANCING ACTIVITIES 1,371 (1,143)
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS 77 14
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR 226 209
CASH AND CASH EQUIVALENTS AT END OF PERIOD 303 223
Supplemental Disclosures of Cash Flow Information:    
Utility plant received as construction advances and contributions 1,294 1,332
Interest paid 3,157 3,391
Income taxes paid $ 1,278 $ 153