Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Disaggregation of Revenue (Details)

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Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Revenue from Contract with Customer, Including Assessed Tax $ 5,968,255 $ 4,387,197 $ 11,706,789 $ 7,818,527
Product sales [Member]        
Revenue from Contract with Customer, Including Assessed Tax 5,845,651 $ 4,387,197 11,483,001 $ 7,818,527
Service [Member]        
Revenue from Contract with Customer, Including Assessed Tax 22,714   48,311  
Licensing [Member]        
Revenue from Contract with Customer, Including Assessed Tax $ 99,890   $ 175,477