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Significant Accounting Policies (Details Narrative)
9 Months Ended 12 Months Ended
Sep. 30, 2021
USD ($)
Sep. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
Segment
Dec. 31, 2019
USD ($)
Product Information [Line Items]        
Impairment of Intangible Assets (Excluding Goodwill)       $ 0
Research and Development Expense $ 1,791,000 $ 1,071,000 $ 1,680,000 $ 1,649,000
Cash, FDIC Insured Amount $ 250,000   $ 250,000  
Number of Reportable Segments | Segment     1  
One Customer [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member]        
Product Information [Line Items]        
Concentration Risk, Percentage     92.00%