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CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
ASSETS |  |
Utility plant, at original cost less accumulated depreciation | $ 378,960 | $ 366,563
Current assets |  |
Cash and cash equivalents | 422 | 617
Accounts receivable (less allowance for doubtful accounts 2013 - $221; 2012-$241) | 5,115 | 5,728
Unbilled operating revenues | 3,009 | 2,997
Materials and supplies | 1,485 | 1,353
Prepaid property taxes | 1,491 | 1,328
Prepaid expenses and other | 1,732 | 1,457
Total current assets | 13,254 | 13,480
Other assets |  |
Non utility property (less accumulated depreciation 2013-$389; 2012-$309) | 4,142 | 4,082
Other deferred assets | 5,172 | 5,196
Total other assets | 9,314 | 9,278
Regulatory assets, net | 2,304 | 2,393
Total assets | 403,832 | 391,714
Stockholders' equity |  |
Common stock | 8,830 | 8,710
Preferred stock | 0 | 0
Additional paid-in capital | 90,841 | 88,399
Retained earnings | 22,165 | 21,071
Total stockholders' equity | 121,836 | 118,180
Long-term debt, net of current portion | 105,510 | 106,257
Total stockholders' equity and long-term debt | 227,346 | 224,437
Current liabilities |  |
Lines of credit | 10,332 | 10,717
Current portion of long-term debt | 1,132 | 1,111
Accounts payable | 4,140 | 3,499
Accrued expenses | 3,710 | 3,430
Overdraft payable | 746 | 750
Deferred income taxes | 838 | 837
Accrued interest | 1,054 | 1,065
Customer deposits | 801 | 967
Other | 2,810 | 2,563
Total current liabilities | 25,563 | 24,939
Commitments and contingencies ( Note 10 ) |  |
Deferred credits and other liabilities |  |
Net advances for construction | 11,427 | 13,023
Postretirement benefit obligation | 309 | 374
Deferred investment tax credits | 601 | 622
Utility plant retirement cost obligation | 979 | 1,092
Deferred income taxes | 49,742 | 45,879
Total deferred credits and other liabilities | 63,058 | 60,990
Net contributions in aid of construction | 87,865 | 81,348
Liabilities and stockholders' equity | $ 403,832 | $ 391,714

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- Definition Carrying value as of the balance sheet date of payments made in excess of existing cash balances, which will be honored by the bank but reflected as a loan to the entity. Overdrafts generally have a very short time frame for correction or repayment and are therefore more similar to short-term bank financing than trade financing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Current Liabilities -URI http://asc.fasb.org/extlink&oid=6509677 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Section A -Paragraph 7 -Chapter 3 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6743817&loc=d3e1243-112600 + Details
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