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Notes Payable, Related Parties (Tables)
12 Months Ended
Dec. 31, 2018
Related Party Transactions [Abstract]  
Schedule of notes payable, related parties

   December 31, 
   2018   2017 
Unsecured promissory note, interest rate of 4.25% and 8% per annum  $   $12 
Total notes payable, related parties       12 
Less: current portion of notes payable, related parties       12 
Total notes payable, long-term  $   $