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Revenue Recognition (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Disaggregation of Revenue [Line Items]        
Total revenues $ 272,824 $ 267,187 $ 643,945 $ 1,594,461
Revenue recognized from deferred revenue 35,000   39,000  
Plumbline Life Sciences        
Disaggregation of Revenue [Line Items]        
Total revenues 75,000 $ 64,000 125,000 $ 1,200,000
Other Counterparty        
Disaggregation of Revenue [Line Items]        
Total revenues $ 198,000   $ 519,000