Quarterly report pursuant to Section 13 or 15(d)

Debt and Other Financing Arrangements - Schedule of Debt (Detail)

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Debt and Other Financing Arrangements - Schedule of Debt (Detail) - USD ($)
Mar. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]    
Notes payable $ 34,770 $ 4,149,578
Financing agreement with FlatIron capital maturing in June 1, 2020 [Member]    
Debt Instrument [Line Items]    
Notes payable $ 34,770 69,540
Convertible Senior Note [Member]    
Debt Instrument [Line Items]    
Notes payable   3,461,782
Promissory note issued by a financial institution maturing in August 26, 2023 [Member]    
Debt Instrument [Line Items]    
Notes payable   11,802
Promissory note issued by a financial institution maturing in May 30, 2025 [Member]    
Debt Instrument [Line Items]    
Notes payable   $ 606,454