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Income Taxes (Details Narrative) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Net operating loss carry-forward $ 70,000,000  
Research and other credit carry-forwards   $ 1,210,000
Earliest Tax Year [Member]    
Net operating loss carry-forward expiration dates Dec. 31, 2017  
Latest Tax Year [Member]    
Net operating loss carry-forward expiration dates Dec. 31, 2037  
Research and other credit carry-forwards expiration dates Dec. 31, 2036