Quarterly report pursuant to Section 13 or 15(d)

Investment in Phusion Laboratories LLC (Details Textual)

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Investment in Phusion Laboratories LLC (Details Textual) (USD $)
1 Months Ended 6 Months Ended
Jun. 30, 2012
Dec. 31, 2011
Jun. 30, 2011
Dec. 31, 2010
Sep. 30, 2011
PSI Parent [Member]
Jun. 30, 2012
PSI Parent [Member]
Jun. 30, 2012
Corporate Joint Venture [Member]
Stock Issued During Period, Shares, New Issues           1,440,000  
Stock Issued During Period, Value, New Issues           $ 2,600,000  
Payments to Acquire Interest in Joint Venture           1,000,000  
Treasury stock purchase (in shares)         690,000    
Maximum Amount Committed Towards Contributions In Joint Venture             2,000,000
Cash and cash equivalents (Note 2) 4,610,000 5,541,000 8,743,000 8,232,000     420,000
Acquisition of product license             3,600,000
Finite-Lived Intangible Assets, Useful Life (in years)             10 years
Common Stock Number Of Share Transferred To Thired Party         750,000    
Equity Redemption ,Number Of Share, Redeem         690,000    
Equity Redemption Price Per Share         $ 0.65    
Equity Redemption Value         $ 448,500