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Income Taxes (Details Textual) (USD $)
9 Months Ended 12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Dec. 31, 2013
Dec. 31, 2012
Income Taxes (Textual)        
Net operating losses     $ 80,793,000  
Tax credit, amount 2,986,000   2,986,000  
Period of expiration of various tax credits Expire through December 2030    
December 2013 and will continue to expire until 2033
Income tax provisions 0 0    
Increase in valuation allowance     1,887,000 1,949,000
Income tax benefit     750,356 521,458
Tax related to interest and penalties     0 0
New Jersey Tax Jurisdiction [Member]
       
Income Taxes (Textual)        
Net operating losses     $ 5,599,000  
Period of expiration of various tax credits     NOL carry forwards remaining after the sale of unused NOL carry forwards, portions of which are currently expiring each year until 2031.