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1. UNAUDITED INTERIM FINANCIAL STATEMENTS: Income Per Share: Schedule of Anti-dilutive Securities Excluded (Details) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Details        
Anti-dilutive Securities Excluded, Stock Options 0 0 45,000 263,000
Preferred stock 568,257 568,257 568,257 568,257
Total anti-dilutive securities excluded 568,257 568,257 613,257 831,257