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Loan and Security Agreements and Other Liabilities (Details Narrative) - USD ($)
 6 Months Ended
Jun. 30, 2021
May 31, 2018
Jan. 05, 2018
Short-term Debt [Line Items]      
Deferred FICA payroll tax payments $ 36,000    
Loan And Security Agreement [Member] | Silicon Valley Bank [Member]      
Short-term Debt [Line Items]      
Aggregate amount     $ 10,000,000.0
Debt Instrument, Interest Rate, Basis for Effective Rate The principal borrowed under the Loan and Security Agreement bears interest at a rate equal to the Prime Rate, as reported in the money rates section of The Wall Street Journal or any successor publication representing the rate of interest per annum then in effect, plus one percent per annum (4.25% as of June 30, 2021), which interest is payable monthly    
Interest rate 4.25%    
Debt instrument, maturity date Jun. 01, 2022    
Debt instrument, balloon payment to be paid $ 650,000    
Debt instrument, increase in amount $ 624,000    
Cash collateral for borrowed securities   $ 5,000,000.0  
Debt instrument, restrictive covenants While any amounts are outstanding under the Loan and Security Agreement, the Company is subject to a number of affirmative and negative covenants, including covenants regarding dispositions of property, business combinations or acquisitions, incurrence of additional indebtedness and transactions with affiliates, among other customary covenants. The credit facility also includes events of default, the occurrence and continuation of which could cause interest to be charged at the rate that is otherwise applicable plus 5.0% and would provide SVB, as collateral agent, with the right to exercise remedies against the Company and the collateral securing the credit facility, including foreclosure against the property securing the credit facilities, including its cash.    
Debt instrument, basis spread on interest rate for debt default 5.00%    
Debt instrument, minimum amount considered for insolvency $ 100,000