Quarterly report pursuant to Section 13 or 15(d)

Notes Payable, Net - Additional Information (Details)

v3.20.2
Notes Payable, Net - Additional Information (Details)
1 Months Ended 3 Months Ended 6 Months Ended
Apr. 20, 2020
USD ($)
installment
Dec. 31, 2016
USD ($)
$ / shares
Jun. 30, 2020
USD ($)
Jun. 30, 2020
USD ($)
Dec. 31, 2019
USD ($)
Debt Instrument [Line Items]          
Note payable, net     $ 1,991,000 $ 1,991,000  
Success fee   $ 250,000      
Current share price (in dollars per share) | $ / shares   $ 120.00      
Debt covenant, unrestricted cash     1,750,000 1,750,000  
Cash     $ 13,260,000 $ 13,260,000 $ 10,872,000
Effective interest rate percentage     8.05% 8.80%  
Unsecured debt          
Debt Instrument [Line Items]          
Debt term 2 years        
Note payable, net     $ 1,086,000 $ 1,086,000  
Face amount $ 1,086,000        
Interest rate 1.00%        
Number of installments | installment 18        
Loan Agreement          
Debt Instrument [Line Items]          
Maximum borrowing capacity   $ 7,000,000      
Debt term       36 months  
Note payable, net     $ 245,000 $ 245,000  
Accretion of final payment fee of debt       $ 240,000  
Loan Agreement | LIBOR          
Debt Instrument [Line Items]          
Variable rate percentage   5.41%