Quarterly report pursuant to Section 13 or 15(d)

Financial instruments (Details)

v3.20.1
Financial instruments (Details)
3 Months Ended
Mar. 31, 2020
USD ($)
item
Financial Instruments  
Cash, insured amount $ 1,000,000
Accounts Payable, Trade, Current 700,000
Sales agreement maximum sales proceeds of stock issuance and sales $ 10,000,000
Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Change In Basis Points | item 100
Credit Concentration Risk  
Financial Instruments  
Cash, uninsured amount $ 12,100,000
Minimum  
Financial Instruments  
Financial Liabilities Trade Terms Period 30 days
Maximum  
Financial Instruments  
Financial Liabilities Trade Terms Period 60 days