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Subsequent Events - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended |
--- | --- | ---
Jan. 31, 2017 | Dec. 31, 2016
AquaBounty Technologies, Inc. | Subsequent Event |  |
Subsequent Event [Line Items] |  |
Additional equity interest purchased by parent | $ 25,000 |
Additional equity interest purchased by parent (in shares) | 2,421,073 |
AquaBounty Technologies, Inc. | Subsequent Event |  |
Subsequent Event [Line Items] |  |
Noncash dividend, shares | 1,776,557 |
GenVec, Inc. | Subsequent Event |  |
Subsequent Event [Line Items] |  |
Number of shares of common stock to be issued per share of acquiree's common stock | 0.297 |
Calculated value of share of acquiree's common stock (in usd per share) | $ 7.00 |
Period used to calculate volume weighted average price | 5 days |
Percent of collaboration payments | 50.00% |
Period during which a portion of collaboration payments received will be paid to former stockholders of acquiree | 3 years |
AquaBounty Technologies, Inc. |  |
Subsequent Event [Line Items] |  |
Parent ownership interest |  | 70.00%
AquaBounty Technologies, Inc. | Subsequent Event |  |
Subsequent Event [Line Items] |  |
Parent ownership interest | 58.00% |

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- Definition Number of shares of common stock issued as dividends during the period. Excludes stock splits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 + Details
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- Definition Represents the purchase by the parent of an additional equity interest in a subsidiary during the period, thereby effecting a change in total (consolidated) equity attributable to the parent. The purchase of the additional equity interest represented by this element increases the parent's controlling interest in the subsidiary. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4M -URI http://asc.fasb.org/extlink&oid=65897068&loc=SL4591554-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=64809438&loc=SL4573702-111684 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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- Definition The period of used to calculate the volume weighted average price used to calculate the value per share of the acquiree to be paid as consideration to acquire the entity. + References No definition available. + Details
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- Definition The period subsequent to the acquisition during which a portion of collaboration payments received from previously existing collaborations will be paid to former stockholders of the acquired entity. + References No definition available. + Details
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