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Fair Value Measurements (Details)
 9 Months Ended
Sep. 30, 2018
USD ($)
Cash, Adjusted Cost $ 649,074
Cash, Change in Fair Value
Cash, Fair Value 649,074
Cash, Cash and Cash Equivalents 649,074
Adjusted Cost 7,217,354
Change in Fair Value
Fair Value 7,217,354
Cash and Cash Equivalents 7,217,354
Level 1 [Member]  
Adjusted Cost 6,568,280
Change in Fair Value
Fair Value 6,568,280
Cash and Cash Equivalents 6,568,280
Money market funds [Member] | Level 1 [Member]  
Adjusted Cost 302,663
Change in Fair Value
Fair Value 302,663
Cash and Cash Equivalents 302,663
U.S. Treasury securities [Member] | Level 1 [Member]  
Adjusted Cost 6,265,617
Change in Fair Value
Fair Value 6,265,617
Cash and Cash Equivalents $ 6,265,617