Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation - Allowance for Credit Losses (Details)

v3.21.1
Basis of Presentation - Allowance for Credit Losses (Details)
3 Months Ended
Mar. 31, 2021
USD ($)
Accounts Receivable, Allowance for Credit Loss [Roll Forward]  
Beginning balance $ 1,497,000
Provision for credit losses during the period 0
Write-off during the period (1,497,000)
Ending balance $ 0