Quarterly report pursuant to Section 13 or 15(d)

Short-Term Notes Payable - Additional Information (Detail)

v3.10.0.1
Short-Term Notes Payable - Additional Information (Detail) - USD ($)
Jul. 24, 2018
Mar. 10, 2018
Jul. 24, 2017
Mar. 10, 2017
Sep. 30, 2018
Dec. 31, 2017
Short-term Debt [Line Items]            
Short term notes payable for financing insurance policies         $ 190,407 $ 80,478
Product Liability Insurance Financing [Member] | Short Term Note Payable [Member]            
Short-term Debt [Line Items]            
Debt instrument face amount   $ 28,915   $ 31,985    
Interest rate on short-term note   5.09%   6.18%    
Principal and interest first required payment date   Apr. 10, 2018   Apr. 10, 2017    
Short-term notes payable amortization period   11 months   10 months    
Final payment date of short-term note payable   Feb. 10, 2019   Jan. 02, 2018    
Directors' and Officers' Liability Insurance Financing [Member] | Short Term Note Payable [Member]            
Short-term Debt [Line Items]            
Debt instrument face amount $ 215,575   $ 140,062      
Interest rate on short-term note 5.24%   5.09%      
Principal and interest first required payment date Aug. 24, 2018   Aug. 24, 2017      
Short-term notes payable amortization period 11 months   11 months      
Final payment date of short-term note payable Jun. 25, 2019   Jun. 25, 2018