Annual report pursuant to Section 13 and 15(d)

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

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Significant Accounting Policies - Schedule of Cash and Cash Equivalents and Restricted Cash (Details) - USD ($)
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Cash and Cash Equivalents [Abstract]      
Cash $ 1,127,530 $ 255,943  
Money market funds 13,864,727 12,082,332  
Cash and cash equivalents 14,992,257 12,338,275  
Restricted cash, current 150,000  
Restricted cash, noncurrent 50,000 36,375  
Restricted cash 200,000 36,375  
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows $ 15,192,257 $ 12,374,650 $ 6,276,173