XML 52 R41.htm IDEA: XBRL DOCUMENT v3.21.2
Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Accounting Policies [Abstract]          
Accounts receivable, net of allowances $ 2,162,640   $ 2,162,640   $ 2,836,571
Contract with Customer, Asset, after Allowance for Credit Loss 600,000   600,000   600,000
Deferred revenue 5,962,720   $ 5,962,720   $ 6,369,129
Revenue expected to be recognized during next 12 months (percent)     69.00%    
Remaining performance obligation $ 2,000,000.0   $ 2,000,000.0    
Remaining performance obligation expected to be recognized over next 12 months (percent) 44.00%   44.00%    
Deferred Revenue, Revenue Recognized $ 1,300,000 $ 1,400,000 $ 2,800,000 $ 3,200,000