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Development, Commercialization and Supply Agreements (Tables) | 6 Months Ended
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Jun. 30, 2021
Organization Consolidation And Presentation Of Financial Statements [Abstract] |
Changes in Balances of Contract Assets and Liabilities and Revenues Recognized | The following table presents changes in the balances of the Company’s contract assets and liabilities during the three and six months ended June 30, 2021 and 2020:
In thousands | Balance at Beginning of Period |  |  | Additions |  |  | Deductions |  |  | Balance at End of Period |
Six months ended June 30, 2021: |  |  |  |  |  |  |  |  |  |  |
Contract assets | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Contract liabilities: |  |  |  |  |  |  |  |  |  |  |
Deferred revenue | $ | 18,632 |  |  | $ | 61 |  |  | $ | (1,225 | ) |  | $ | 17,468 |
Six months ended June 30, 2020: |  |  |  |  |  |  |  |  |  |  |
Contract assets | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Contract liabilities: |  |  |  |  |  |  |  |  |  |  |
Deferred revenue | $ | 20,846 |  |  | $ | 3,750 |  |  | $ | (4,382 | ) |  | $ | 20,214 |
During the six months ended June 30, 2021 and 2020, the Company recognized the following revenues as a result of changes in the contract asset and contract liability balances in the respective periods:
In thousands | Six months ended June 30, |
Revenue recognized in the period from: | 2021 |  |  | 2020 |
Amounts included in contract liability at the beginning of the period | $ | 1,201 |  |  | $ | 2,845 |
Performance obligations satisfied in previous periods | $ | 22 |  |  | $ | 1,097 |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -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 + Details
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- References No definition available. + Details
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