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Development, Commercialization and Supply Agreements (Tables) | 12 Months Ended
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Dec. 31, 2019
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 for years ended December 31, 2019 and 2018:
In thousands |  | Balance at Beginning of Period |  |  | Additions |  |  | Deductions |  |  | Balance at End of Period |
Year ended December 31, 2019: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract assets |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Contract liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred revenue |  | $ | 20,710 |  |  | $ | 2,500 |  |  | $ | (2,364 | ) |  | $ | 20,846 |
Year ended December 31, 2018: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contract assets |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Contract liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred revenue |  | $ | 19,054 |  |  | $ | 2,500 |  |  | $ | (843 | ) |  | $ | 20,710 |
During the years ended December 31, 2019 and 2018, 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 |  | Twelve Months Ended December 31, |
Revenue recognized in the period from: |  | 2019 |  |  | 2018 |
Amounts included in contract liability at the beginning of the period |  | $ | 1,633 |  |  | $ | 650 |
Performance obligations satisfied in previous periods |  | $ | 299 |  |  | $ | 193 |

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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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- References No definition available. + Details
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