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Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2019
Accounting Policies [Abstract]  
Schedule of carrying and estimated fair values of financial instruments

The carrying amounts of long-term debt and estimated fair values of the attached warrants at June 30, 2019 and December 31, 2018 are as follows:

   June 30, 2019  December 31, 2018
   Carrying  Estimated  Carrying  Estimated
   Amount  Fair Value of Attached Warrants  Amount 

Fair Value of Attached Warrants

             
Convertible promissory notes  $11,158,189   $—     $10,087,939   $—   
Loan payable related party   549,420    —      737,023    —   
   $11,707,609   $—     $10,824,962   $—