XML 40 R29.htm IDEA: XBRL DOCUMENT v3.10.0.1
Summary of Significant Accounting Policies (Details Textual) - USD ($)
 1 Months Ended 3 Months Ended 9 Months Ended
Sep. 22, 2017
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Research and Development Expense   $ 1,599,045 $ 1,364,728 $ 4,691,250 $ 3,577,357  
Common Stock, Shares Authorized   25,000,000   25,000,000   45,000,000
Common Stock, Par or Stated Value Per Share   $ 0.001   $ 0.001   $ 0.001
Preferred Stock, Shares Authorized   2,500,000   2,500,000   5,000,000
Preferred Stock, Par or Stated Value Per Share   $ 0.001   $ 0.001   $ 0.001
Common Stock, Shares, Outstanding   10,151,334   10,151,334   10,087,516
Held-to-maturity Securities, Amortized Cost before Other than Temporary Impairment   $ 22,869,924   $ 22,869,924   $ 28,762,231
Restricted Cash   0 $ 50,000 0 $ 50,000  
Deferred Costs, Current   27,379   27,379   0
Convertible Notes Payable [Member]            
Stock Issued During Period, Shares, Conversion of Convertible Securities 881,911          
IPO [Member]            
Stock Issued During Period, Shares, New Issues 2,760,000          
Shares Issued, Price Per Share $ 9.50          
Initial Public Offering Costs $ 1,100,000          
Common Stock, Shares, Outstanding 10,082,050          
Commission Of Underwriter $ 1,800,000          
Proceeds From Issuance Initial Public Offering Including Ipo Expense $ 23,300,000          
Money Market and US Treasury Securities [Member]            
Money Market and U.S. Treasury Bills   $ 3,740,232   $ 3,740,232   $ 2,612,104