XML 30 R21.htm IDEA: XBRL DOCUMENT v3.21.1
1. UNAUDITED INTERIM FINANCIAL STATEMENTS: Income (Loss) Per Share: Schedule of Anti-dilutive Securities Excluded (Details) - shares
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Details    
Anti-dilutive Securities Excluded, Stock Options 0 300,000
Preferred stock 568,257 875,054
Total anti-dilutive securities excluded 568,257 1,175,054