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Commitments - (Detail)
1 Months Ended
Sep. 01, 2019
USD ($)
Jul. 31, 2019
USD ($)
Mar. 15, 2019
USD ($)
ft²
Feb. 01, 2019
USD ($)
ft²
Feb. 01, 2019
ft²
Jun. 06, 2018
Nov. 02, 2018
USD ($)
ft²
Jul. 25, 2017
USD ($)
ft²
Jun. 09, 2017
USD ($)
ft²
Jun. 05, 2017
USD ($)
ft²
Commitments And Contingencies [Line Items]                    
Operating Leases, Rent Expense, Minimum Rentals   $ 76,000                
San Diego, California [Member]                    
Commitments And Contingencies [Line Items]                    
Area of Land | ft²                   21,908
Operating Leases, Rent Expense                   $ 26,176
Lease Expiration Date                   Jul. 31, 2022
Milford Connecticut [Member] | Commitments [Member]                    
Commitments And Contingencies [Line Items]                    
Area of Land | ft²               13,750    
Operating Leases, Rent Expense $ 8,969             $ 8,707    
Lease Expiration Date Aug. 31, 2021             Aug. 31, 2019    
NEW YORK | Commitments [Member] | K&K Unlimited [Member]                    
Commitments And Contingencies [Line Items]                    
Area of Land | ft²                 12,000  
Operating Leases, Rent Expense                 $ 13,000  
Lease Expiration Date                 Jun. 30, 2018  
Additional Lease Expiration Date           Jun. 30, 2021        
NEW YORK | Commitments [Member] | 100 Bellport Avenue, LLC [Member]                    
Commitments And Contingencies [Line Items]                    
Area of Land | ft²             7,500      
Operating Leases, Rent Expense       $ 9,375     $ 5,625      
NEW YORK | Commitments [Member] | Amendment [Member]                    
Commitments And Contingencies [Line Items]                    
Area of Land | ft²       5,000 5,000          
Operating Leases, Rent Expense       $ 3,750            
Lease Expiration Date         Oct. 31, 2019          
California | Commitments [Member]                    
Commitments And Contingencies [Line Items]                    
Area of Land | ft²     24,014              
Operating Leases, Rent Expense     $ 18,491