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Commitments and Contingencies (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Defined Benefit Plan Disclosure [Line Items]        
Litigation Settlement, Expense $ 142,000 $ 133,000 $ 391,000 $ 401,000
Stem Cell Systems [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Debt Instrument, Periodic Payment     $ 27,000