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INCOME TAXES (Narrative) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Income Taxes [Line Items]    
Operating loss carryforwards $ 142,855,000  
Increase in uncertain tax positions during the period 100,000 $ 100,000
Reduction in uncertain tax positions during the period (200,000)  
Reduction in uncertain tax positions relating to lapse of statute of limitations 0 200,000
Other Long-term Liabilities    
Income Taxes [Line Items]    
Liability for uncertain tax positions, noncurrent 100,000 $ 100,000
Research and Development Credit Carryforward    
Income Taxes [Line Items]    
Tax credit carryforward 900,000  
Federal | Annovis, Inc.    
Income Taxes [Line Items]    
Operating loss carryforwards 1,200,000  
State    
Income Taxes [Line Items]    
Operating loss carryforwards 58,800,000  
Foreign    
Income Taxes [Line Items]    
Operating loss carryforwards $ 900,000