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Investment in Phusion Laboratories LLC (Details Textual) (USD $)
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1 Months Ended | 6 Months Ended | |||||
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Jun. 30, 2012
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Dec. 31, 2011
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Jun. 30, 2011
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Dec. 31, 2010
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Sep. 30, 2011
PSI Parent [Member]
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Jun. 30, 2012
PSI Parent [Member]
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Jun. 30, 2012
Corporate Joint Venture [Member]
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| 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 | ||||||