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Summary of Significant Accounting Policies (Tables)
 3 Months Ended
Mar. 31, 2021
Accounting Policies [Abstract]  
Schedule of financial assets measured at fair value on nonrecurring basis
  As of March 31, 2021 
   Level 1   Level 2   Level 3   Total 
Assets:                
Cash and money market accounts  $6,806,650   $—   $—   $6,806,650 
                     
Liabilities:                    
Bank debt  $—   $(9,311,342)  $—   $(9,311,342)

 

   As of December 31, 2020 
   Level 1   Level 2   Level 3   Total 
Assets:                
Cash and money market accounts  $6,949,937   $—   $—   $6,949,937 
Bank certificates of deposit   —    996,495    —    996,495 
Total  $6,949,937   $996,495   $—   $7,946,432 
                     
Liabilities:                    
Bank debt   —   $(9,497,486)  $—   $(9,497,486)
Schedule of sales to significant customers
  

During the Three-Month
Periods Ended
March 31,

 
   2021   2020 
Company A   45%   38%
Company B   33%   31%
Company C   *    11%

 

*Amount is less than 10%.
Schedule of accounts receivable due from significant customers
  

As of

March 31, 2021

  

As of

December 31, 2020

 
Company A   48%   48%
Company B   31%   27%
Company C   10%   * 

 

*Amount is less than 10%.