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Investment in American Shale Oil, LLC (Details Textual) (USD $)	6 Months Ended
	Jun. 30, 2014
AMSO, LLC [Member]
Investment in American Shale Oil, LLC (Textual)
Percentage of initial expenditure funded by holding company	20.00%
Initial expenditures	$ 50,000,000
Percentage of funding provided by holding company for next increased expenditures	35.00%
Amount of expenditures to be funded 35% by holding company	50,000,000
Percentage of funding to AMSO, LLC's for converting research, development and demonstration lease to a commercial lease	40.00%
Capital contributions to AMSO, LLC	74,000,000
Maximum amount of contribution to AMSO, LLC	100,000,000
Amount of expenditures not allocated to holding company after dilution	7,900,000
Reduction in ownership interest	44.90%
Reduction in fund to affiliate	31.40%
Expenditures to be funded by holding company not funded	2,700,000
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount	$ 193,000
TOTAL S.A. [Member]
Investment in American Shale Oil, LLC (Textual)
Reduction in ownership interest	55.10%
Reduction in fund to affiliate	68.60%

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- Definition

Amount of expenditures not allocated to holding company after dilution.

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- Definition

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The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).

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