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Development, Commercialization and Supply Agreements (Tables) | 3 Months Ended
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Mar. 31, 2020
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 months ended March 31, 2020:
In thousands | Balance at Beginning of Period |  |  | Additions |  |  | Deductions |  |  | Balance at End of Period |
Three months ended March 31, 2020: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract assets | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Contract liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred revenue | $ | 20,846 |  |  | $ | 3,750 |  |  | $ | (2,789 | ) |  | $ | 21,807 |
Three months ended March 31, 2019: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract assets | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Contract liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred revenue | $ | 20,710 |  |  | $ | — |  |  | $ | (547 | ) |  | $ | 20,163 |
During the three months ended March 31, 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 | Three Months Ended March 31, |
Revenue recognized in the period from: | 2020 |  |  | 2019 |
Amounts included in contract liability at the beginning of the period | $ | 1,390 |  |  | $ | 547 |
Performance obligations satisfied in previous periods | $ | 1,097 |  |  | $ | — |

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- Definition Tabular disclosure of contract balances and changes in contract balances. + 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=118956577&loc=SL49130551-203045 + Details
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