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Summary of Significant Accounting Policies (Tables)
 9 Months Ended
Sep. 30, 2020
Accounting Policies [Abstract]  
Schedule of financial assets measured at fair value on nonrecurring basis

   As of September 30, 2020 
   Level 1   Level 2   Level 3   Total 
Assets:                
Cash and money market accounts  $3,918,157   $—   $—   $3,918,157 
Bank certificates of deposit   —    1,992,538    —    1,992,538 
Total  $3,918,157   $1,992,538   $—   $5,910,695 

 

   As of December 31, 2019 
   Level 1   Level 2   Level 3   Total 
Assets:                
Cash and money market accounts  $6,293,293   $—   $—   $6,293,293 
Bank certificates of deposit   —    2,480,753    —    2,480,753 
Liabilities:                    
Interest rate swaps   —    (58,526)   —    (58,526)
Total, net  $6,293,293   $2,422,227   $—   $8,715,520 
Schedule of sales to significant customers

   During the Three-Month
Periods Ended
September 30,		   During the Nine-Month
Periods Ended
September 30,		 
   2020   2019   2020   2019 
Company A   44%   39%   40%   42%
Company B   27%   29%   30%   27%
Schedule of accounts receivable due from significant customers
   As of
September 30,
2020		   As of
December 31,
2019		 
Company A   38%   28%
Company B   27%   48%