Quarterly report pursuant to Section 13 or 15(d)

Due to Related Party - Additional Information (Detail)

v3.21.1
Due to Related Party - Additional Information (Detail)
3 Months Ended 12 Months Ended
Jan. 01, 2017
USD ($)
$ / Unit
Mar. 31, 2021
USD ($)
Mar. 31, 2020
USD ($)
Dec. 31, 2020
USD ($)
Related Party Transaction [Line Items]        
Due to related party (Note 4)   $ 232,734   $ 158,399
Subsidiaries [Member]        
Related Party Transaction [Line Items]        
Recoveries incurred   19,000 $ 45,000  
Business Law Group [Member]        
Related Party Transaction [Line Items]        
Monthly payment for cases $ 82,000      
Minimum fee paid per unit | $ / Unit 700      
Service amount paid   246,000 259,000  
Due to related party (Note 4)   1,214,000   1,332,000
Office sub lease income   17,000    
Receivable (Payable)from related party   232,700   $ 158,400
Amount written-off regained   10,000    
Business Law Group [Member] | Out of Pocket Collection Costs [Member]        
Related Party Transaction [Line Items]        
Expenses incurred by company   $ 22,000 $ 36,000