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Stockholders' Equity (Tables)
 12 Months Ended
Dec. 31, 2018
Class of Stock [Line Items]  
Summary of all warrant activity

 

Outstanding and exercisable  Warrants   Weighted Average Exercise Price   Weighted Average
Remaining Contractual Life		 
January 1, 2017   791,368   $6.19    5.13 
Issued   325,000    20.00    - 
December 31, 2017   1,116,368   $10.18    3.68 
Issued   -    -    - 
Expired/forfeited   -    -    - 
Exercised   -    -    - 
Outstanding and exercisable, December 31, 2018   1,116,368   $10.18    2.68 
Schedule of conversion of preferred stock issued to common stock

   Shares of Preferred Stock Not Exchanged as of December 31, 2018   Conversion Ratio   Shares of Common Stock after Conversion of all Outstanding Shares of Preferred Stock Not yet Exchanged at December 31, 2018 
                
Series B Preferred Stock   82    132.07    10,830 
Warrant [Member]  
Class of Stock [Line Items]  
Summary of all stock option plans / warrant activity
Outstanding Warrants to Purchase Common Stock as of December 31, 2018:
               
Description  Issue Date  Exercise
Price		   Shares   Expiration
Date
               
August 2016 Prefunded Warrants (1)  08/16/16  $10.00    360,000   02/16/22
August 2016 Purchase Warrants  08/17/16  $11.20    431,368   02/17/22
August 2017 Purchase Warrants  08/08/17  $20.00    325,000   08/08/20
Total Warrants Outstanding           1,116,368    

 

(1)Under the terms of the prefunded warrants, the warrant holder prepaid $9.90 of the original $10.00 warrant per share exercise price at the time of issuance of the warrant. The remaining $0.10 exercise price is required to be paid in full prior to the issuance of any common stock under the terms of the prefunded warrant agreement.