Receivables (Installment Recevables) (Details) - USD ($)	Sep. 30, 2022	Dec. 31, 2021	Dec. 31, 2020
Receivables [Abstract]
Non-Impaired Financing Receivable, Related Allowance	$ 0
Installment Receivables, Current	255,000	$ 218,000
Installment Receivables, Long-Term	274,000	734,000
Total Installment Receivables	529,000	952,000
Total Unearned Interest	(1,903,000)	(4,156,000)
Allowance for doubtful accounts, current	0	0
Allowance for doubtful accounts, long-term	0	0
Allowance for doubtful accounts	0	0	$ (487,000)
Installment receivables, net	255,000	218,000
Installment receivables, net, long-term	274,000	734,000
Installment receivables, net	$ 529,000	$ 952,000