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(6) Equity Investment in Savoy (Tables) | 12 Months Ended
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Dec. 31, 2013
Equity Investment In SELLP [Abstract] |
Savoy Consolidated Balance Sheet |
|  | 2013 |  |  | 2012 |
Current assets |  | $ | 29,182 |  |  | $ | 16,207 |
Oil and gas properties, net |  |  | 25,408 |  |  |  | 21,065 |
Other |  |  | 260 |  |  |  | 263 |
|  | $ | 54,850 |  |  | $ | 37,535 |
Total liabilities |  | $ | 16,447 |  |  | $ | 9,116 |
Partners' capital |  |  | 38,403 |  |  |  | 28,419 |
|  | $ | 54,850 |  |  | $ | 37,535 |
SavoyCondensedStatementofOperationsTableText |
|  | 2013 |  |  | 2012 |
Revenue |  | $ | 42,248 |  |  | $ | 32,052 |
Expenses |  |  | (29,322 | ) |  |  | (27,527 | )
Net income |  | $ | 12,926 |  |  | $ | 4,525 |
Cost Incurred in Oil and Gas Property Acquisition, Exploration, and Development Activities Disclosure [Table Text Block] |
|  | 2013 |
Unproved property acquisition |  | $ | 1,287 |
Development |  |  | 858 |
Exploration |  |  | 7,061 |
Total |  | $ | 9,206 |
Results of Operations for Oil and Gas Producing Activities Disclosure [Table Text Block] |
|  | Oil (Bbls) |  |  | NGLs (Bbls) |  |  | Natgas (Mcf) |
January 1, 2013 |  |  | 700 |  |  |  | 29 |  |  |  | 1,108 |
Extensions and discoveries |  |  | 898 |  |  |  | 58 |  |  |  | 442 |
Production |  |  | (153 | ) |  |  | (11 | ) |  |  | (96 | )
Revisions to previous estimates |  |  | 24 |  |  |  | 23 |  |  |  | (153 | )
December 31, 2013 |  |  | 1,469 |  |  |  | 99 |  |  |  | 1,301 |
Proved developed reserves |  |  | 746 |  |  |  | 60 |  |  |  | 450 |
Proved undeveloped reserves (PUDs) |  |  | 723 |  |  |  | 39 |  |  |  | 851 |
Schedule of Proved Developed and Undeveloped Oil and Gas Reserve Quantities [Table Text Block] |
|  | Proved Developed |  |  | PUDs |  |  | Total Proved |
Future cash flows: |  |  |  |  |  |  |  |  |
Oil |  | $ | 70,582 |  |  | $ | 70,662 |  |  | $ | 141,244 |
NGLs |  |  | 2,551 |  |  |  | 1,669 |  |  |  | 4,220 |
Natgas |  |  | 1,365 |  |  |  | 976 |  |  |  | 2,341 |
Total cash flows |  |  | 74,498 |  |  |  | 73,307 |  |  |  | 147,805 |
Future production costs |  |  | (12,213 | ) |  |  | (12,233 | ) |  |  | (24,446 | )
Future development costs |  |  |  |  |  |  | (3,073 | ) |  |  | (3,073 | )
Future income tax (none since Savoy is a pass-through entity for income tax purposes) |  |  |  |  |  |  |  |  |  |  |  |
Future net cash flows |  |  | 62,285 |  |  |  | 58,001 |  |  |  | 120,286 |
10% annual discount for estimated timing of cash flows |  |  | (14,355 | ) |  |  | (15,111 | ) |  |  | (29,466 | )
Standardized measure of discounted future net cash flows |  | $ | 47,930 |  |  | $ | 42,890 |  |  | $ | 90,820 |
Oil and Gas Net Production, Average Sales Price and Average Production Costs Disclosure [Table Text Block] |
|  | 2013 |
Beginning of year |  | $ | 35,300 |
Sales, net of production costs |  |  | (12,640 | )
Net changes in prices and production costs |  |  | 1,600 |
Extensions and discoveries |  |  | 57,200 |
Revisions of previous quantity estimates |  |  | 2,100 |
Change in production timing and other |  |  | 3,700 |
Accretion of discount |  |  | 3,560 |
End of year |  | $ | 90,820 |
Average wellhead prices: |  |  |  |
Oil (per Bbl) |  | $ | 94.66 |
NGLs (per Bbl) |  |  | 42.45 |
Natgas (per Mcf) |  |  | 3.04 |

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- Definition Tabular disclosure of the aggregate of costs (whether the costs are capitalized or charged to expense at the time they are incurred ) incurred for the year in oil and gas property acquisition, exploration and development activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 55 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=8451751&loc=d3e63042-109448 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62059-109447 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62038-109447 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62014-109447 + Details
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- Definition Tabular disclosure of oil and gas production including quantitative production data, average price, and per unit cost data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Industry Guide -Number 2 -Paragraph 3 -Subparagraph A + Details
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- Definition Tabular disclosure of the net quantities of an enterprise's interests in proved developed and undeveloped reserves of (a) crude oil (including condensate and natural gas liquids), (b) natural gas (including coal bed methane), (c) synthetic oil, (d) synthetic gas, and (e) other nonrenewable natural resources that are intended to be upgraded during the period as of the beginning of the period, changes in quantities during the period, and as of the end of the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61858-109447 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61797-109447 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61869-109447 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61831-109447 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61872-109447 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61884-109447 + Details
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