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Loans Payable - Schedule of Consolidated Notes Payable (Detail) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Loans payable	$ 27,363,442	$ 25,067,308
Loans Payable [Member] | Note1- Monaco 2014 [Member]
Debt Instrument [Line Items]
Loans payable	2,800,000	2,800,000
Loans Payable [Member] | Note 2 - Monaco 2016 [Member]
Debt Instrument [Line Items]
Loans payable	1,138,441	1,535,501
Loans Payable [Member] | Note 3 - MINOSA 1 [Member]
Debt Instrument [Line Items]
Loans payable	14,750,001	14,750,001
Loans Payable [Member] | Note 4 - Epsilon [Member]
Debt Instrument [Line Items]
Loans payable	1,000,000	$ 5,981,806
Loans Payable [Member] | Note 5 - SMOM [Member]
Debt Instrument [Line Items]
Loans payable	3,000,000
Loans Payable [Member] | Note 6 - MINOSA 2 [Member]
Debt Instrument [Line Items]
Loans payable	$ 4,675,000

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No definition available.

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- Definition

Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: 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(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16)(a)(2))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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