Quarterly report pursuant to Section 13 or 15(d)

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

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Long-Term Debt and Other Financing Arrangements - Schedule of Debt (Detail) - USD ($)
Jun. 30, 2018
Dec. 31, 2017
Debt Instrument [Line Items]    
Notes payable $ 587,012 $ 39,028
Less: debt issuance costs (76,677) 0
debt discount (79,038)  
Notes payable, net 431,297 39,028
Financing agreement with FlatIron capital maturing in May 31, 2018 [Member]    
Debt Instrument [Line Items]    
Notes payable   $ 39,028
Financing agreement with FlatIron capital maturing in May 1, 2019 [Member]    
Debt Instrument [Line Items]    
Notes payable 87,012  
Senior secured convertible promissory note issued to Esousa Holdings LLC [Member]    
Debt Instrument [Line Items]    
Notes payable $ 500,000