Quarterly report pursuant to Section 13 or 15(d)

Investment in a Joint Venture (Details Textual)

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Investment in a Joint Venture (Details Textual) (USD $)
 6 Months Ended 12 Months Ended
Jun. 30, 2014
Dec. 31, 2012
Dec. 31, 2010
Dec. 31, 2013
Jun. 30, 2013
Schedule of Investments [Line Items]          
Stock Issued During Period, Value, New Issues $ 4,826,000        
Payments To Fund Joint Venture Investments     500,000    
Maximum Amount Committed Towards Contributions In Joint Venture     2,000,000    
Cash and cash equivalents 7,350,000 572,000   1,638,000 4,058,000
Acquisition of product license     3,600,000    
Finite-Lived Intangible Assets, Useful Life (in years)     12 years 9 months    
Ownership Percentage In Joint Venture     50.00%    
Payments For Legal Settlements   2,100,000      
PSI Parent [Member]
          
Schedule of Investments [Line Items]          
Stock Issued During Period, Shares, New Issues     1,440,000    
Stock Issued During Period, Value, New Issues     2,600,000    
Payments To Fund Joint Venture Investments     1,000,000    
Cash and cash equivalents $ 374,000