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Summary of Significant Accounting Policies - Revenue (Details) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Jun. 30, 2021
Revenues $ 7,872,287 $ 7,449,735 $ 15,614,791 $ 15,198,160  
Percentage of revenue 100.00% 100.00% 100.00% 100.00%  
Accounts receivable          
Revenues     $ 4,618,340   $ 4,717,453
Percentage of revenue     100.00%   100.00%
United States          
Revenues $ 4,603,421 $ 4,137,452 $ 9,176,208 $ 8,485,109  
Percentage of revenue 58.50% 55.50% 58.80% 55.80%  
United States | Accounts receivable          
Revenues     $ 2,637,206   $ 2,798,224
Percentage of revenue     57.10%   59.30%
Europe          
Revenues $ 2,717,935 $ 2,735,222 $ 5,339,058 $ 5,540,097  
Percentage of revenue 34.50% 36.70% 34.20% 36.50%  
Europe | Accounts receivable          
Revenues     $ 1,750,037   $ 1,650,030
Percentage of revenue     37.90%   35.00%
Rest of World          
Revenues $ 550,931 $ 577,061 $ 1,099,525 $ 1,172,954  
Percentage of revenue 7.00% 7.70% 7.00% 7.70%  
Rest of World | Accounts receivable          
Revenues     $ 231,097   $ 269,199
Percentage of revenue     5.00%   5.70%