Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Schedule of Cash and Cash Equivalents and Restricted Cash (Details)

v3.10.0.1
Significant Accounting Policies - Schedule of Cash and Cash Equivalents and Restricted Cash (Details) - USD ($)
Jun. 30, 2018
Dec. 31, 2017
Jun. 30, 2017
Dec. 31, 2016
Accounting Policies [Abstract]        
Cash $ 1,486,733 $ 206,510    
Money market fund 63,189,805 62,330,985    
Cash and cash equivalents 64,676,538 62,537,495    
Restricted cash 158,991    
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows $ 64,676,538 $ 62,696,486 $ 43,232,762 $ 15,192,257