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v3.3.1.900

Summary of Significant Accounting Policies (Detail textuals) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2015 USD ($) Segment | Dec. 31, 2014 USD ($) Segment | Dec. 31, 2015 GBP (£) Segment | Dec. 31, 2013 USD ($)
Property, Plant and Equipment [Line Items] |  |  |  |
Number of operating segments | Segment | 1 | 1 |  |
Number of geographic areas for development operations | Segment | 2 | 2 | 2 |
Recognized revenue | $ 1,944,000 | $ 1,734,000 |  |
Cash and cash equivalents | 20,440,000 | $ 24,189,000 |  | $ 31,146,000
Cash balances insured by FDIC | 250,000 |  |  |
Cash exceeding balance insured by FDIC | 16,300,000 |  |  |
Cash balance insured by FSCS | £ |  |  | £ 75,000 |
Cash exceeding balance insured by FSCS | 2,000,000 |  |  |
Licensing And Supply Agreement | ManRos Therapeutics SA |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Recognized revenue | $ 250,000 |  |  |
Property, plant and equipment | Minimum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Estimated useful life | 3 years |  |  |
Property, plant and equipment | Maximum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Estimated useful life | 5 years |  |  |
Leasehold improvements | Minimum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Estimated useful life | 5 years |  |  |
Leasehold improvements | Maximum |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |
Estimated useful life | 15 years |  |  |

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