Credit Agreements Notes Payable Subordinated and Convertible Debentures Payable (Details) - USD ($)	Jun. 30, 2022	Dec. 31, 2021
Credit Agreements Notes Payable Subordinated and Convertible Debentures Payable
Notes Payable - $1,176,000 Bearing Interest At Prime Plus 2%, The Remainder Non-interest Bearing, All Past Dues	$ 1,198,000	$ 1,198,000
Subordinated Convertible Debentures Payable:
At 6% Interest; Due May 1992	8,025,000	8,025,000
Subordinated Convertible Debentures Payable	8,025,000	8,025,000
Total	$ 9,223,000	$ 9,223,000