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Revenue | 6 Months Ended
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Jun. 30, 2021
Revenue From Contract With Customer [Abstract] |
Revenue |
10. | Revenue:
Revenue was as follows for the three and six months ended June 30, 2021 and 2020:
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Neurocrine Biosciences: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Recognition of the transaction price |  | $ | 617 |  |  | $ | 11,916 |  |  | $ | 617 |  |  | $ | 17,760 |
Research and development services |  |  | 1,601 |  |  |  | 1,468 |  |  |  | 2,959 |  |  |  | 2,702 |
Flexion: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Milestone payments |  |  | — |  |  |  | — |  |  |  | 3,000 |  |  |  | — |
Total collaboration revenue |  | $ | 2,218 |  |  | $ | 13,384 |  |  | $ | 6,576 |  |  | $ | 20,462 |
| (a) | Neurocrine Biosciences license and collaboration agreement:
In December 2019, the Company entered into a License and Collaboration Agreement with Neurocrine Biosciences Inc. (“Neurocrine Biosciences”). Pursuant to this agreement, the Company granted an exclusive license to XEN901, now known as NBI-921352, and an exclusive license to pre-clinical compounds for development, XEN393, XPC’535 and XPC’391 (collectively, the “DTCs”). The agreement also includes a two-year research collaboration to discover, identify and develop additional novel Nav1.6 and Nav1.2/1.6 inhibitors (“Research Compounds”), with an option to extend for an additional year. The Company and Neurocrine Biosciences are collaborating on the conduct of two collaboration programs: (a) a joint research collaboration to discover, identify and preclinically develop Research Compounds (the “Research Program”) and (b) a collaborative development program for XEN901 and two DTCs selected by the joint steering committee (the “Initial Development Program”). At execution of the agreement, Neurocrine Biosciences paid the Company an upfront cash payment of $30,000 and a $20,000 equity investment in the Company. The equity investment was measured at fair value of $16,667 on the date of issuance and the resulting premium $3,333, together with the upfront cash payment totaling $33,333, was the transaction price of the arrangement for allocation to the performance obligations. The agreement includes the following performance obligations: (i) an exclusive license to XEN901 with associated technology and know-how transfer, (ii) an exclusive license to the DTCs with associated know-how transfer, (iii) a license to Research Compounds and research services under the Research Program, (iv) development services under the Initial Development Program for XEN901, and (v) development services under the Initial Development Program for the DTCs. The total transaction price of $33,333 was allocated to performance obligation (v) based on its estimated standalone selling price determined based on internal development plans and budget, with the balance allocated to performance obligations (i) and (ii) by the residual approach. The Company allocated the transaction price as follows: $28,807 to performance obligations (i) and (ii), completed as of December 2020, and $5,118, which includes $592 of variable consideration, to performance obligation (v), which is expected to be completed by Q1 2022. The arrangement consideration related to the services under performance obligations (iii) and (iv) to be performed on behalf of Neurocrine Biosciences were excluded from the initial transaction price allocation because the consideration and performance are contingent upon Neurocrine Biosciences requesting performance of the services and these services are priced at an estimated fair value. None of the at-risk substantive performance milestones, including development, regulatory and sales-based milestones, were included in the transaction price, as all milestone amounts are outside the control of the Company and contingent upon Neurocrine Biosciences’s efforts and success in future clinical trials. The Company will re-evaluate the transaction price in each reporting period and as uncertain events are resolved or other changes in circumstances occur. During the three and six month periods ended June 30, 2021, the Company recognized $2,218 and $3,576 of revenue, respectively (three and six months ended June 30, 2020 – $13,384 and $20,462 respectively), which comprised of $1,601 and $2,959, respectively (three and six months ended June 30, 2020 – $1,468 and $2,702 respectively), for the research and development services under (iii) the Research Program and (iv) the Initial Development Program for XEN901; and $617 and $617, respectively (three and six months ended June 30, 2020 – $393 and $475 respectively), for (v) development services under the Initial Development Program for the DTCs. During the three and six months ended June 30, 2020, the Company also recognized revenue of $11,523 and $17,285, respectively, associated with (i) the exclusive license to XEN901 and (ii) the exclusive license to the DTCs. As of June 30, 2021, there is $1,624 of accounts receivable and $3,025 of deferred revenue related to the Neurocrine Collaboration Agreement, which is classified as current on the balance sheet based on the period the services are expected to be delivered. The Company has an option to co-fund 50% of the development costs of XEN901 or another product candidate in the U.S., exercisable upon achievement of certain milestones, in exchange for increased U.S. royalties. The Company has not exercised this option as of June 30, 2021.
| (b) | Flexion definitive agreement:
In September 2019, the Company entered into an agreement with Flexion Therapeutics Inc. (“Flexion”) pursuant to which Flexion acquired all rights with respect to XEN402, and a related compound (collectively “XEN402”), including certain regulatory documentation, intellectual property rights, reports, data and all quantities of XEN402, now known as FX301, owned or controlled by the Company. During the six months ended June 30, 2021, the U.S. Food and Drug Administration cleared the first investigational new drug application for FX301 and Flexion initiated a Phase 1b clinical trial, resulting in milestone payments of $1,000 and $2,000 paid to the Company, respectively. Pursuant to terms of the agreement, the Company will also be eligible for a development milestone payment of $5,000 upon initiation of a Phase 2 proof-of-concept clinical trial. Following successful proof-of-concept, the Company may be entitled to future clinical development and global regulatory approval milestone payments of up to $40,750, commercial milestone payments of up to $75,000, as well as future royalties ranging from mid-single to low-double digit percentages. These additional amounts will be recognized as determinable.

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130556-203045 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130550-203045 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130558-203045 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045 + Details
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