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Revenue Participation Rights - Additional Information (Detail) (USD $)							9 Months Ended	1 Months Ended	9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2013 "Cambridge" Project [Member]	Dec. 31, 2012 "Cambridge" Project [Member]	Sep. 30, 2013 "Republic" (now "Seattle") Project [Member]	Dec. 31, 2012 "Republic" (now "Seattle") Project [Member]	Sep. 30, 2013 Galt Resources, LLC [Member] Investment Project	Feb. 28, 2011 Galt Resources, LLC [Member] Maximum [Member]	Sep. 30, 2013 Galt Resources, LLC [Member] SS Gairsoppa [Member]	Mar. 31, 2013 Galt Resources, LLC [Member] SS Gairsoppa [Member]	Sep. 30, 2013 HMS Victory Project [Member]	Sep. 30, 2013 First Payment [Member] "Cambridge" Project [Member]	Sep. 30, 2013 Second Payment [Member] "Cambridge" Project [Member]	Sep. 30, 2013 Second Payment [Member] "Cambridge" Project [Member] Minimum [Member]	Sep. 30, 2013 Second Payment [Member] "Cambridge" Project [Member] Maximum [Member]	Sep. 30, 2013 Third Payment [Member] "Cambridge" Project [Member]
Deferred Revenue Arrangement [Line Items]
Revenue participation certificates, per unit value			50,000		50,000
Percentage of revenue owed to certificate holders							50.00%				7.5125%	100.00%	24.75%			12.375%
Revenue owed to certificate holder												$ 825,000		$ 4,000,000	$ 35,000,000	$ 35,000,000
Percentage of revenue owed to certificate holder, per each million invested					1.00%		1.00%
Common shares, issued, per unit					100,000
Investment for future revenue rights								7,512,500
Investment multiplier in case of project success							3
Percentage of additional net revenue owed to certificate holders							1.00%
Number of project bifurcate							2
Participating revenue rights	4,643,750	4,643,750	825,000	825,000	62,500	62,500				12,506,755
Deferred revenue, amortization									3,756,250
Revenue participation agreement							15,000,000
Future Payments							$ 0

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Common shares issued per unit.

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- Definition

Investment for future revenue rights.

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- Definition

Investment multiplier in case of project success.

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Number of projects after bifurcation.

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Percentage of additional net revenue owed to certificate holders.

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Percentage of revenue owed to certificate holders.

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Percentage of revenue owed to certificate holders per unit.

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Remaining future payments.

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Revenue owed to certificate holders.

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Revenue participation agreement value.

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Revenue participation certificates per unit value.

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The noncurrent portion of deferred revenue amount as of balance sheet date. Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized, and is not expected to be recognized in the next twelve months. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 605

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 13.A.4(a).Q1)

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-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section 45

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-URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6935-107765



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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 13

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Amount of previously reported deferred or unearned revenue that was recognized as revenue during the period. Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 605

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 13.A.4(a).Q1)

-URI http://asc.fasb.org/extlink&oid=27012821&loc=d3e214044-122780



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