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Long-Term Debt (Details) - Loan Agreement with Midcap - Loan Agreement with MidCap [Member] - USD ($)
Sep. 16, 2019
Dec. 31, 2020
Long-Term Debt (Details) - Loan Agreement with Midcap [Line Items]    
Debt Instrument, Term 3 years  
Line of Credit Facility, Maximum Borrowing Capacity $ 4,000,000  
Debt Instrument, Description of Variable Rate Basis 3-month LIBOR interest rate plus 4.75%  
Debt Instrument, Basis Spread on Variable Rate 4.75%  
Debt Instrument, Interest Rate, Effective Percentage   4.96%
Long-term Line of Credit   $ 612,000