Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Detail)

v3.21.2
Commitments and Contingencies - Additional Information (Detail)
3 Months Ended 9 Months Ended
Sep. 08, 2021
USD ($)
BitcoinMachine
Jan. 11, 2021
USD ($)
Mar. 23, 2020
USD ($)
Sep. 30, 2021
USD ($)
shares
Sep. 30, 2020
USD ($)
Sep. 30, 2021
USD ($)
shares
Sep. 30, 2020
USD ($)
Dec. 31, 2020
shares
Jun. 30, 2020
$ / shares
shares
May 11, 2020
shares
Loss Contingencies [Line Items]                    
Operating lease remaining lease term           1 year        
Lease expiration period           37 months        
Operating lease discount rate       6.50%   6.50%        
Rent expense       $ 23,700 $ 26,000 $ 71,200 $ 76,000      
Common stock, shares outstanding | shares       5,414,296   5,414,296   3,083,760   5,414,296
Aggregate purchase price of asset           $ 4,207 $ 1,286      
Minimum [Member]                    
Loss Contingencies [Line Items]                    
Ownership percentage       20.00%   20.00%        
Maximum [Member]                    
Loss Contingencies [Line Items]                    
Ownership percentage       50.00%   50.00%        
Securities Purchase Agreement [Member] | Hanfor-Owner [Member]                    
Loss Contingencies [Line Items]                    
Ownership percentage     86.50%              
Common stock, shares outstanding | shares                 520,838  
Sale of stock price per share | $ / shares                 $ 2.40  
Proceeds from issuance of stock     $ 250,000              
Notes receivable     $ 1,000,000              
Amount demanded on breach of contract   $ 1,250,000                
Purchase Agreement [Member]                    
Loss Contingencies [Line Items]                    
Cryptocurrency mining machines | BitcoinMachine 1,002                  
Mining machines delivery timeframe description           The Purchase Agreement provides for delivery of the Mining Machines in batches over an estimated delivery timeframe starting in April 2022 and continuing through September 2022.        
New Office Lease [Member]                    
Loss Contingencies [Line Items]                    
Operating lease beginning date           Jul. 15, 2019        
Operating lease ending date           Jul. 31, 2022        
Mining Machine [Member] | Purchase Agreement [Member]                    
Loss Contingencies [Line Items]                    
Aggregate purchase price of asset $ 6,300,000                  
Percentage of total purchase price to shipment, nonrefundable 25.00%                  
Percentage of additional purchase price to shipment 35.00%                  
Percentage of remaining purchase price to shipment 40.00%                  
Payment for deposit $ 1,600,000                  
Percentage of deposit 25.00%                  
Business Law Group [Member]                    
Loss Contingencies [Line Items]                    
Sublease Income           $ 4,900