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RESEARCH AND LICENSE AGREEMENTS WITH PRINCETON UNIVERSITY, UNIVERSITY OF SOUTHERN CALIFORNIA AND THE UNIVERSITY OF MICHIGAN (Details) (USD $) | 3 Months Ended | 120 Months Ended | 36 Months Ended | 10 Months Ended | 32 Months Ended | 3 Months Ended
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Mar. 31, 2014 | Mar. 31, 2013 | Jul. 31, 2007 1997 Research Agreement [Member] | Apr. 30, 2009 2006 Research Agreement - Original Term [Member] | Mar. 31, 2014 2006 Research Agreement - Extended Term [Member] | Dec. 31, 2011 2006 Research Agreement - Extended Term [Member] | Mar. 31, 2014 1997 Amended License Agreement [Member] | Mar. 31, 2013 1997 Amended License Agreement [Member]
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |  |  |  |  |  |
Term of agreement (in years) |  |  | 10 years | 3 years |  | 4 years |  |
Research and development expense incurred |  |  |  | $ 5,000,000 | $ 1,100,000 |  |  |
Maximum obligation |  |  |  |  | 7,500,000 |  |  |
Royalty rate for licensed products sold by the Company (in hundredths) |  |  |  |  |  |  | 3.00% |
Royalty rate for licensed products sold by the Company's sublicenses (in hundredths) |  |  |  |  |  |  | 3.00% |
Minimum royalty payment per year |  |  |  |  |  |  | 100,000 |
Royalty expense | 756,000 | 312,000 |  |  |  |  | 729,000 | 309,000
Minimum investment per year |  |  |  |  |  |  | $ 800,000 |

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- Definition The maximum amount the Company is obligated to pay under the specified research agreement, as of the balance sheet date. + References No definition available. + Details
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- Definition The minimum amount of investment per year in research, development, commercialization or patenting efforts, for which the commercially reasonable efforts clause under the specified agreement is deemed satisfied. + References No definition available. + Details
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- Definition The royalty rate of net sales price for licensed products sold by the Company, under the specified arrangement. + References No definition available. + Details
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- Definition The royalty rate of revenues received by the Company for licensed products sold by the Company's sublicenses, under the specified arrangement. + References No definition available. + Details
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