XML 50 R35.htm IDEA: XBRL DOCUMENT v3.22.2.2
Fair Value Measurements - Additional information (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]      
Investment in equity securities $ 274,000   $ 274,000
Equity Issuance Agreement | iECURE      
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]      
Investment in equity securities   $ 0  
Amendment to Revolving Line | Revolving Credit Facility      
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]      
Change in fair value of final payment fee   $ 0