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Accounts Receivable and Other, Net - Summary of Accounts Receivable (Detail) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total accounts receivable, net	$ 789,421	$ 232,380
Trade [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, gross	9,466	7,376
Related Party [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, gross	664,596	183,453
Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, gross	$ 115,359	$ 41,551

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+ References

No definition available.

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
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