|
Organization and Summary of Significant Accounting Policies (Narrative) (Details) (USD $)
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12 Months Ended |
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Dec. 31, 2013
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Dec. 31, 2012
|
| Organization and Summary of Significant Accounting Policies [Abstract] |
|
|
| Maximum cash balance federally insured per financial institution |
$ 250,000 |
|
| Total cash balance not insured by the FDIC |
7,300,000 |
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| Value of held-to-maturity securities included in salvage fund |
|
1,000,000 |
| Held-to-maturity securities included in salvage fund maturity date |
|
Mar.
01,
2013 |
| Value of capital expenditures for oil and gas properties owed to operators |
13,000 |
100,000 |
| Impaired Long-Lived Assets Held and Used [Line Items] |
|
|
| Impairment of oil and gas properties |
505,000 |
3,114,000 |
| Early investment incentive and advance distribution rights, minimum price per share |
$ 6,000 |
|
| Early investment incentive and advance distribution rights, maximum price per share |
$ 12,000 |
|
| Percentage of cash from operations allocated to shareholders |
85.00% |
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| Percentage of cash from operations allocated to fund manager |
15.00% |
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| Percentage of available cash from dispositions allocated to shareholders |
99.00% |
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| Percentage of available cash from dispositions allocated to fund manager |
1.00% |
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| Percentage of available cash from dispositions allocated to shareholders after distributions have equaled capital contributions |
85.00% |
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| Percentage of available cash from dispositions allocated to fund manager after distributions have equaled capital contributions |
15.00% |
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|
Cobalt Project [Member]
|
|
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| Impaired Long-Lived Assets Held and Used [Line Items] |
|
|
| Impairment of oil and gas properties |
505,000 |
|
| Oil and gas properties, fair value |
400,000 |
|
|
Alpha Project [Member]
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|
|
| Impaired Long-Lived Assets Held and Used [Line Items] |
|
|
| Impairment of oil and gas properties |
|
3,114,000 |
| Oil and gas properties, fair value |
|
$ 2,600,000 |