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Loans Payable - Schedule of Allocation of Cash Proceeds to Derivative Components at their Fair Values - Additional Tranches (Detail) - Promissory Note [Member] - Epsilon Acquisitions, LLC [Member]	Sep. 30, 2020 USD ($)
Third Tranche [Member]
Debt Instrument [Line Items]
Cash proceeds	$ 1,000,000
Third Tranche [Member] | Beneficial Conversion Feature ("BCF") [Member]
Debt Instrument [Line Items]
Cash proceeds	18,204
Third Tranche [Member] | 2014 Convertible Promissory Notes [Member]
Debt Instrument [Line Items]
Cash proceeds	981,796
Fourth Tranche [Member]
Debt Instrument [Line Items]
Cash proceeds	1,000,000
Fourth Tranche [Member] | Beneficial Conversion Feature ("BCF") [Member]
Debt Instrument [Line Items]
Cash proceeds	60,065
Fourth Tranche [Member] | 2014 Convertible Promissory Notes [Member]
Debt Instrument [Line Items]
Cash proceeds	939,935
Fifth Tranche [Member]
Debt Instrument [Line Items]
Cash proceeds	1,000,000
Fifth Tranche [Member] | 2014 Convertible Promissory Notes [Member]
Debt Instrument [Line Items]
Cash proceeds	$ 1,000,000

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
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- Definition

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