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1. Overview and Summary of Significant Accounting Policies (Details Narrative) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Outstanding common stock equivalents 308,000 244,000
Allowance for doubtful accounts on accounts receivables $ 77,000 $ 168,000
Advertising and marketing costs 33,000 449,000
Matching expense related to our savings plan $ 23,000 $ 0
Buildings    
Estimated useful lives of property and equipment 40 years  
Building Improvements    
Estimated useful lives of property and equipment 15 years  
Computers, Furniture, and Equipment    
Estimated useful lives of property and equipment 5 to 7 years