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Stockholders' Equity (Tables)
 12 Months Ended
Dec. 31, 2016
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, 2014  828,573   2.39   2.06 
Issued  2,575,000   5.09   - 
Expired/forfeited  (40,000)  3.98   - 
Exercised  (28,500)  2.85   - 
December 31, 2014  3,335,073   4.45   0.93 
Issued  -   -   - 
Expired/forfeited  (2,591,000)  5.06   - 
Exercised  (280,000)  1.30   - 
December 31, 2015  464,073   3.02   0.19 
Issued (Prefunded)  3,600,000   0.01   - 
Issued (Purchase)  4,313,676   1.12     
Expired/forfeited  (384,073)  3.13   - 
Exercised  (80,000)  2.00   - 
Outstanding and exercisable, December 31, 2016  7,913,676  $0.62   5.13 
Schedule of conversion of preferred stock issued to common stock
  
Shares of Preferred Stock
Not Exchanged as of
December 31, 2016
  Conversion Ratio  
Shares of Common Stock
after Conversion of all
Outstanding Shares of
Preferred Stock Not yet
Exchanged at
December 31, 2016
 
             
Series B Preferred Stock  83   132.07   10,962 
Warrant [Member]  
Class Of Stock [Line Items]  
Summary of all stock option plans / warrant activity
Description Issue Date Exercise
Price		  Shares  Expiration
Date
             
August 2016 Prefunded Warrants 08/16/16 $1.00   3,600,000  02/16/22
August 2016 Purchase Warrants 08/17/16 $1.12   4,313,676  02/17/22
Total Warrants Outstanding        7,913,676