v3.19.1
Notes Payable to Related Parties - Additional Information (Detail) - USD ($)
1 Months Ended 12 Months Ended
Aug. 15, 2018
Oct. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Sep. 30, 2018
Aug. 31, 2018
Notes Payable to Related Parties [Line Items]            
Notes payable, amount retired     $ 1,763,000 $ 1,179,000    
Accretion of unamortized discount     (800,000) (368,000)    
Notes Payable to Related Parties [Member]            
Notes Payable to Related Parties [Line Items]            
Interest expense     480,000 148,000    
Accretion of unamortized discount     $ 236,000 $ 236,000    
Notes Payable to Related Parties [Member] | 0% Promissory Note [Member] | OneClick Acquisitions [Member]            
Notes Payable to Related Parties [Line Items]            
Notes payable, interest rate     0.00%      
Notes Payable to Related Parties [Member] | 8% Secured Promissory Notes [Member] | OneClick Acquisitions [Member]            
Notes Payable to Related Parties [Line Items]            
Notes payable, interest rate   8.00%        
Notes payable, amount retired $ 494,000          
Notes payable, issued amount         $ 556,000  
Notes Payable to Related Parties [Member] | 8% Promissory Notes [Member] | OneClick Acquisitions [Member]            
Notes Payable to Related Parties [Line Items]            
Notes payable, interest rate   8.00%        
Notes payable, amount retired   $ 1,768,000        
Notes payable, offset against receivables owed           $ 263,000