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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Cash flows from operating activities |  |  |
Net income (loss) | $ 48 | $ (2,622) | $ (779)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities |  |  |
Depreciation, depletion and amortization | 664 | 721 | 732
Impairment of natural gas and oil properties | 0 | 2,717 | 0
Write-off (recovery) of affiliate receivable | 0 | (1,430) | 0
Gain on prepayment of long term debt | (888) | 0 | 0
Gain from sale of land | (50) | 0 | 0
Changes in operating assets and liabilities |  |  |
Other current and non-current assets | 7 | 260 | 5
Accounts payable and other liabilities | (95) | 920 | (240)
Net cash provided by (used) in operating activities | (314) | 566 | (282)
Cash flows from investing activities |  |  |
Investment in oil and gas properties | 0 | (336) | (129)
Fixed asset additions | (52) | (31) | (175)
Cash from sale of land | 700 | 116 | 0
Repayment of loan from affiliate | 0 | 126 | 0
Collections of note receivable | 38 | 13 | 0
Real estate held for investment | 0 | 0 | (650)
Net cash provided by (used) in investing activities | 686 | (112) | (954)
Cash flows from financing activities |  |  |
Payment on notes payable | (732) | (281) | (213)
Proceeds from loans | 0 | 0 | 128
Net cash provided by (used in) financing activities | (732) | (281) | (85)
Net increase (decrease) in cash and cash equivalents | (360) | 173 | (1,321)
Cash and cash equivalents at beginning of year | 473 | 300 | 1,621
Cash and cash equivalents at end of year | 113 | 473 | 300
Supplemental disclosures of cash flow information |  |  |
Cash paid for interest on notes payable: | 22 | 77 | 77
Cash paid for principal on notes payable: | 725 | 279 | 213
Non cash portion of sale of land | 0 | 415 | 0
Cash paid income taxes | $ 0 | $ 0 | $ 0

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes 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. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3044-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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