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CONSOLIDATED STATEMENTS OF CASH FLOWS (amounts in thousands) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Cash flows from operating activities |  |  |
Net income | $ 168 | $ (11,793) | $ (11)
Adjustments to reconcile net income to net cash provided by (used in) operating activities |  |  |
Depreciation, depletion and amortization | 779 | 416 | 363
Impairment of natural gas and oil properties | 912 | 1,428 | 0
Accretion of asset retirement obligation | 68 | 129 | 123
Write-off (recovery) of affiliate receivable | (2,076) | 10,361 | 0
Changes in operating assets and liabilities |  |  |
Other current and non-current assets | (227) | (202) | (271)
Accounts payable and other liabilities | 756 | 106 | 275
Interest receivable | 0 | 0 | (496)
Interest payable | 121 | 121 | 121
Net cash provided by (used) in operating activities | 501 | 566 | 104
Cash flows from investing activities |  |  |
Investment in oil and gas properties | (103) | (1,074) | (219)
Fixed asset additions | (106) | (262) | (48)
Funding of notes receivable | 0 | 0 | 0
Net cash provided by (used in) investing activities | (209) | (1,336) | (267)
Cash flows from financing activities |  |  |
Proceeds from loans to affiliates | 0 | 0 | 142
Payment on notes payable | (54) | (31) | (75)
Proceeds from loans | 51 | 851 | 0
Net cash provided by (used in) financing activities | (3) | 820 | 67
Net increase (decrease) in cash and cash equivalents | 289 | 50 | (96)
Cash and cash equivalents at beginning of year | 109 | 59 | 155
Cash and cash equivalents at end of year | $ 398 | $ 109 | $ 59

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- Definition Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid investments that are both readily convertible to known amounts of cash, and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Compensating balance arrangements that do not legally restrict the withdrawal or usage of cash equivalents may be reported as cash equivalents, while legally restricted equivalents held as compensating balances against borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular equivalents are not generally reported as part of unrestricted cash equivalents. + References No definition available. + Details
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