Annual report pursuant to Section 13 and 15(d)

Description of Business and Summary of Significant Accounting Policies (Details)

v3.20.1
Description of Business and Summary of Significant Accounting Policies (Details) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Cash and cash equivalents $ 9,253,831 $ 13,673,308  
Restricted cash - current 48,092 40,075  
Restricted cash - long term 391,327 391,131  
Cash, cash equivalents and restricted cash $ 9,693,250 $ 14,104,514 $ 17,790,576