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Commitments and Contingencies (Details) | 6 Months Ended |  | 1 Months Ended | 6 Months Ended |  | 1 Months Ended |  | 6 Months Ended |  | 1 Months Ended | 6 Months Ended
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Jun. 30, 2012 USD ($) | Dec. 31, 2011 USD ($) | Sep. 30, 2010 Caliper Life Sciences [Member] USD ($) sqft | Jun. 30, 2012 Caliper Life Sciences [Member] USD ($) | Dec. 31, 2011 Caliper Life Sciences [Member] USD ($) | Dec. 31, 2011 BMR-Gateway Boulevard LLC [Member] USD ($) | Dec. 31, 2010 BMR-Gateway Boulevard LLC [Member] USD ($) sqft | Jun. 30, 2012 BMR-Gateway Boulevard LLC [Member] USD ($) sqft | Jun. 30, 2012 Scientific and Administrative Facility [Member] USD ($) | Dec. 31, 2011 Scientific and Administrative Facility [Member] USD ($) | Jan. 31, 2011 Stem Cell Sciences UK [Member] GBP (£) sqft | Jun. 30, 2012 Stem Cell Sciences UK [Member] USD ($)
Commitments and Contingencies (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Area of facility |  |  | 13,200 |  |  |  | 43,000 |  |  |  |  |
Term of lease |  |  | 2 years |  |  | 11 years 6 months |  |  | 15 years |  |  |
Rent over term of lease |  |  | $ 1,081,000 |  |  |  | $ 17,869,000 |  |  |  |  |
Deferred rent | 651 | 2,603 |  | 1,600 | 2,600 | 1,301,000 |  | 1,350,000 | 350,000 | 452,000 |  |
Additional area of facility |  |  |  |  |  |  |  | 30,000 |  |  |  |
Area of leased space |  |  |  |  |  |  |  |  |  |  | 5,000 |
Area of lease reduced |  |  |  |  |  |  |  |  |  |  | 1,900 |
Rental payments |  |  |  |  |  |  |  |  |  |  | 61,000 |
Annual payments |  |  |  |  |  |  |  |  |  |  |  | 50,000
Useful life | 15 years |  |  |  |  |  |  |  |  |  |  | 14 years
Litigation costs |  |  |  |  |  |  |  |  |  |  |  | 700,000
Royalty payments |  |  |  |  |  |  |  |  |  |  |  | 650,000
Operating lease payments |  |  |  |  |  |  |  |  | 1,172,000 |  |  |
Cash outlay net of subtenant rent |  |  |  |  |  |  |  |  | 1,423,000 |  |  |
Lease term expires |  |  |  | Sep. 30, 2013 |  |  |  |  | Jun. 30, 2013 |  |  |
Receipt of sub-tenant income |  |  |  |  |  |  |  |  | 439,000 |  |  |
Commitments and Contingencies (Additional Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from the issuance of industrial revenue bonds | 5,000,000 |  |  |  |  |  |  |  |  |  |  |
Period of maturity | Aug. 01, 2014 |  |  |  |  |  |  |  |  |  |  |
Interest rate for remaining bond series | 9.50% |  |  |  |  |  |  |  |  |  |  |
Outstanding principal | 430,000 | 523,000 |  |  |  |  |  |  |  |  |  |
Operating expenses | $ 690,000 |  |  |  |  |  |  |  |  |  |  |

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