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Income Taxes - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018
Income Tax Disclosure [Line Items] |  |
Increase in valuation allowance | $ 5,611 |
Deferred tax assets operating loss carryforwards federal | 17,480 |
Deferred tax assets operating loss carryforwards state | 19,220 |
Deferred tax assets operating loss carryforwards local | 10,129 |
Deferred tax assets, operating loss carryforwards, not subject to expiration | 17,231 |
Deferred tax assets, operating loss carryforwards, subject to expiration | $ 249 |
Operating loss carryforwards federal commencement of expiration date | 2037 |
Operating loss carryforwards state commencement of expiration date | 2037 |
Operating loss carryforwards local commencement of expiration date | 2039 |
Research and development tax credits | $ 452 | $ 69
Open tax year | 2017 2018 |
Percentage of eligible tax positions for recognition | 50.00% |
Federal |  |
Income Tax Disclosure [Line Items] |  |
Research and development tax credits | $ 452 |
Deferred tax assets tax credit carryforwards commencement of expiration date | 2038 |

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