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Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016 | Dec. 31, 2014 | Dec. 31, 2016
Revenue |  |  |  |  |  |
Deferred revenue | $ 3,729 |  | $ 3,729 |  |  | $ 3,749
Product development and licensing agreements revenue | 694 | $ 604 | 1,250 | $ 1,057 |  |
Contracts and grants revenue | 3,135 | 785 | 4,113 | 1,635 |  |
BMS |  |  |  |  |  |
Revenue |  |  |  |  |  |
Deferred revenue |  |  |  |  | $ 5,000 |
Term of the agreement |  |  |  |  | 5 years |
Reimbursement of external costs incurred by the company (as a percent) |  |  |  |  | 50.00% |
Product development and licensing agreements revenue | 700 | 600 | 1,200 | 1,000 |  |
Rockefeller |  |  |  |  |  |
Revenue |  |  |  |  |  |
Contracts and grants revenue | 300 | $ 400 | 1,100 | $ 800 |  |
IAVI |  |  |  |  |  |
Revenue |  |  |  |  |  |
Contracts and grants revenue | $ 2,300 |  | $ 2,300 |  |  |

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- Definition Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 13.A.3) -URI http://asc.fasb.org/extlink&oid=65893310&loc=d3e214044-122780 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 13.A.4(a).Q1) -URI http://asc.fasb.org/extlink&oid=65893310&loc=d3e214044-122780 + Details
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