Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2022

Fair Value Measurements [Abstract]

Schedule Of Assets And Liabilities Measured At Fair Value On A Recurring Basis

			Fair Value Measurements
	Total Fair Value		Quoted ‎Prices ‎in Active ‎Markets ‎(Level 1)		Significant ‎Other ‎Observable ‎Inputs ‎(Level 2)		Significant ‎Unobservable ‎Inputs ‎(Level 3)
June 30, 2022:
Liabilities:
Secured contingent payment obligation	$	38,612	$	-	$	-	$	38,612
Unsecured contingent payment obligations		4,848		-		-		4,848

			Fair Value Measurements
	Total Fair Value		Quoted ‎Prices ‎in Active ‎Markets ‎(Level 1)		Significant ‎Other ‎Observable ‎Inputs ‎(Level 2)		Significant ‎Unobservable ‎Inputs ‎(Level 3)
December 31, 2021:
Liabilities:
Secured contingent payment obligation	$	37,372	$	-	$	-	$	37,372
Unsecured contingent payment obligations	$	5,691	$	-	$	-	$	5,691

Quantitative Information

	Secured Contingent Payment Obligation			Unsecured Contingent Payment Obligations
Unobservable Inputs	Low	Weighted Average	High	Low	Weighted Average	High
Estimated undiscounted cash outflows (in millions)	$0.0	$59.4	$88.4	$0.0	$7.5	$10.8
Duration (in years)	1.0	2.7	3.0	1.0	2.7	3.0
Estimated probabilities	5%	17%	35%	5%	18%	35%