v2.4.0.8

Commitments and Contingencies - Additional Information (Detail) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Sep. 30, 2013 USD ($) Lease | Sep. 30, 2012 USD ($) | Sep. 30, 2013 USD ($) | Sep. 30, 2012 USD ($) Lease | Dec. 31, 2012 USD ($) Lease | Dec. 31, 2011 USD ($) Lease | Sep. 30, 2013 AquaBounty [Member] USD ($) | Sep. 30, 2013 AquaBounty [Member] CAD | Sep. 30, 2013 AquaBounty [Member] Term Loan [Member] ACOA [Member] USD ($) | Sep. 30, 2013 AquaBounty [Member] Term Loan [Member] ACOA [Member] CAD | Sep. 30, 2013 AquaBounty [Member] Term Loan [Member] Enterprise PEI [Member] USD ($) | Sep. 30, 2013 AquaBounty [Member] Term Loan [Member] Enterprise PEI [Member] CAD
Commitment And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Rent expenses | $ 1,272 | $ 1,255 | $ 4,284 | $ 3,739 | $ 5,036 | $ 4,000 |  |  |  |  |  |
Subleasing spaces |  |  |  |  | 2 | 2 |  |  |  |  |  |
Number of entities under sublease agreement | 1 |  |  | 1 | 2 | 2 |  |  |  |  |  |
Rental income under sublease agreement | 91 | 0 | 274 | 64 | 151 | 158 |  |  |  |  |  |
Future rental income for the sublease agreement in 2013 |  |  |  |  | 365 |  |  |  |  |  |  |
Future rental income for the sublease agreement in 2014 | 365 |  | 365 |  | 365 |  |  |  |  |  |  |
Future rental income for the sublease agreement in 2015 | 152 |  | 152 |  | 152 |  |  |  |  |  |  |
Future rental income for the sublease agreement remainder of fiscal year | 91 |  | 91 |  |  |  |  |  |  |  |  |
Amount available under the grant for Research and Development |  |  |  |  |  |  | 2,785 | 2,872 |  |  |  |
Claims period |  |  |  |  |  |  | 5 years | 5 years |  |  |  |
Royalty on products |  |  |  |  |  |  | 10.00% | 10.00% |  |  |  |
Total amount claimed |  |  |  |  |  |  | 2,305 |  |  |  |  |
Original principal of term loans |  |  |  |  |  |  |  |  | 242 | 250 | 291 | 300
Maturity period of term loan |  |  |  |  |  |  |  |  | 2013-12 | 2013-12 | 2013-12 | 2013-12
Outstanding balance |  |  |  |  |  |  |  |  | 7 |  | 10 |
AquaBounty funding |  |  |  |  |  |  | 2,875 | 2,965 |  |  |  |
Percentage of royalty on revenues |  |  |  |  |  |  | 5.20% | 5.20% |  |  |  |
Estimated balance to be paid |  |  |  |  |  |  | $ 194 |  |  |  |  |

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