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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |
Net income | $ 16,817 | $ 14,925 | $ 14,278
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 11,143 | 10,803 | 10,288
Deferred income taxes, net | (1,963) | (2,813) | 899
Stock compensation | 178 | 181 | 192
AFUDC, equity portion | (781) | (886) | (427)
Changes in assets and liabilities: |  |  |
Accounts receivable, net of allowance for doubtful accounts | (2,324) | (94) | (87)
Income tax receivable | (610) | 753 | 1,581
Unbilled operating revenues | 45 | 230 | (14)
Materials and supplies | (271) | 195 | 60
Income tax payable | (106) | 343 | 0
Prepaid property taxes | 63 | (84) | (75)
Prepaid expenses and other | 42 | (126) | (82)
Other deferred assets | (409) | (361) | (245)
Regulatory assets | 390 | 388 | 417
Regulatory liabilities | (635) | (642) | (388)
Accounts payable | (1,835) | (11) | (666)
Accrued expenses | 301 | (789) | 1,014
Accrued interest | 100 | 46 | (1,021)
Revenue reserved for refund | 0 | (3,298) | 3,298
Customer deposits and other | 213 | 110 | 119
NET CASH PROVIDED BY OPERATING ACTIVITIES | 20,358 | 18,870 | 29,141
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |
Capital expenditures (net of AFUDC, equity portion) | (34,277) | (40,677) | (49,053)
Investment in acquisitions | (5,741) | 0 | 0
Proceeds from sale of assets | 46 | 51 | 49
NET CASH USED IN INVESTING ACTIVITIES | (39,972) | (40,626) | (49,004)
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |
Net borrowings (repayments) under lines of credit agreements | 19,313 | (8,442) | 6,332
Increase (decrease) in overdraft payable | 90 | (102) | (187)
Net advances and contributions in aid of construction | 9,280 | 10,507 | 10,461
Net proceeds from issuance of common stock | 1,539 | 1,033 | 956
Issuance of long-term debt | 0 | 30,000 | 12,000
Dividends paid | (9,376) | (9,122) | (8,819)
Debt issuance costs | (28) | (90) | (195)
Principal repayments of long-term debt | (1,772) | (1,725) | (1,344)
NET CASH PROVIDED BY FINANCING ACTIVITIES | 19,046 | 22,059 | 19,204
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS | (568) | 303 | (659)
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR | 596 | 293 | 952
CASH AND CASH EQUIVALENTS AT END OF PERIOD | 28 | 596 | 293
Non-cash Investing and Financing Activity: |  |  |
Utility plant received as construction advances and contributions | 2,403 | 3,716 | 1,153
Contractual amounts of contributions in aid of construction due from developers included in accounts receivable | 1,705 | 710 | 2,156
Contractual amounts of contributions in aid of construction received from developers previously included in accounts receivable | 781 | 2,050 | 2,981
Supplemental Disclosures of Cash Flow Information: |  |  |
Interest paid | 7,519 | 6,978 | 7,273
Income taxes paid | 8,792 | 7,332 | 3,287
Purchase price allocation of investment in acquisitions: |  |  |
Utility plant | 5,118 | 0 | 0
Other deferred assets/goodwill | 623 | 0 | 0
Total investment in acquisitions | $ 5,741 | $ 0 | $ 0

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