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Reduction in Workforce (Tables) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 | Dec. 31, 2019
Restructuring and Related Activities [Abstract] |  |
Schedule of Amount Expected to be Incurred and Liability Related to Restructuring | The following table shows the total amount expected to be incurred and the liability related to the 2019 restructuring as of March 31, 2020:
|  | One-time Employee Termination Benefits |
|  | (In thousands) |
Accrued restructuring costs beginning balance |  | $ | 516 |
Restructuring charges incurred during the year |  |  | 112 |
Amounts paid during the year |  |  | (532 | )
Accrued restructuring costs as of March 31, 2020 |  | $ | 96 |
| The following table shows the total amount expected to be incurred and the liability related to the 2019 restructuring as of December 31, 2019:
|  | One-time Employee Termination Benefits |
|  | (In thousands) |
Accrued restructuring costs beginning balance |  | $ | — |
Restructuring charges incurred during the year |  |  | 582 |
Amounts paid during the year |  |  | (66 | )
Accrued restructuring costs as of December 31, 2019 |  | $ | 516 |
Schedule of Restructuring Charges Reported in Consolidated Statements of Operations and Comprehensive Loss | The following table summarizes the restructuring charges reported in the consolidated statements of operations and comprehensive loss for the quarter ended March 31, 2020:
|  | Cash |  |  | Non-cash |  |  | Total Expenses |
|  | (In thousands) |
Research and development |  | $ | 112 |  |  | $ | — |  |  | $ | 112 |
General and administrative |  |  | — |  |  |  | — |  |  |  | — |
Total |  | $ | 112 |  |  | $ | — |  |  | $ | 112 |
| The following table summarizes the restructuring charges reported in the consolidated statements of operations and comprehensive loss for the year ended December 31, 2019:
|  | Cash |  |  | Non-cash |  |  | Total Expenses |
|  | (In thousands) |
Research and development |  | $ | 306 |  |  | $ | — |  |  | $ | 306 |
General and administrative |  |  | 276 |  |  |  | — |  |  |  | 276 |
Total |  | $ | 582 |  |  | $ | — |  |  | $ | 582 |

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- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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- Definition Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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