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RESEARCH AND LICENSE AGREEMENTS WITH PRINCETON, USC AND MICHIGAN (Details) (USD $) | 120 Months Ended | 36 Months Ended | 0 Months Ended | 47 Months Ended | 3 Months Ended
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Jul. 31, 2007 1997 Research Agreement [Member] | Apr. 30, 2009 2006 Research Agreement - Original Term [Member] | May 01, 2009 2006 Research Agreement - Extended Term [Member] | Mar. 31, 2013 2006 Research Agreement - Extended Term [Member] | Mar. 31, 2013 1997 Amended License Agreement [Member] | Mar. 31, 2012 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 |  | $ 2,200,000 |  | $ 4,700,000 |  |
Maximum obligation |  |  |  | 457,000 |  |
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 and license expense |  |  |  |  | 309,000 | 256,000
Minimum investment per year |  |  |  |  | $ 800,000 |

X
- Definition The amount of costs incurred under a research and development arrangement accounted for as a contract for others to perform research and development for the company. + References No definition available. + Details
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X
- 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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Data Type: | xbrli:monetaryItemType
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X
- 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
Name: | panl_ResearchAndDevelopmentArrangementMinimumInvestmentPerYear
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X
- Definition The minimum royalty payment per year under the specified arrangement. + 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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Namespace Prefix: | panl_
Data Type: | num:percentItemType
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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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Namespace Prefix: | panl_
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- Definition The term (in years) of the specified research and development agreement. + References No definition available. + Details
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- Definition Royalty expense related to the minimum royalty requirements of license agreements. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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- Details
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