Quarterly report pursuant to Section 13 or 15(d)

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

v3.7.0.1
Significant Accounting Policies - Schedule of Cash and Cash Equivalents and Restricted Cash (Details) - USD ($)
Mar. 31, 2017
Dec. 31, 2016
Mar. 31, 2016
Dec. 31, 2015
Cash and Cash Equivalents [Abstract]        
Cash $ 100,046 $ 1,127,530    
Money market funds 48,827,079 13,864,727    
Cash and cash equivalents 48,927,125 14,992,257    
Restricted cash, current 150,000 150,000    
Restricted cash, noncurrent 50,000 50,000    
Restricted cash 200,000 200,000    
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows $ 49,127,125 $ 15,192,257 $ 9,724,180 $ 12,374,650