Investment in Affiliated Companies (Details - Aggregate Net Proceeds) - Series A Preferred Stock [Member] - USD ($)	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2023	Jun. 30, 2023	Dec. 31, 2022
Proceeds received	$ 356,000	$ 433,000	$ 343,000
Shares of Series A Preferred Stock redeemed	1,050,000	1,242,500	857,500

The cash inflow from sales of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, beyond the current operating cycle.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 12
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-12

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