Income Taxes	9 Months Ended
Sep. 30, 2020
Income Tax Disclosure [Abstract]
Income Taxes	10. Income Taxes The Company recorded provisions for income taxes of $0.3 million and $0.8 million for the three and nine months ended September 30, 2020, respectively, related to Korean withholding taxes on the near-term milestone payment the Company received pursuant to the Hanmi Agreement. No provision had been recorded for the three and nine months ended September 30, 2019. In addition, the Company’s deferred tax assets continue to be subject to a full valuation allowance. On March 27, 2020, President Trump signed into U.S. federal law the CARES Act, which provides emergency assistance and health care for individuals, families and businesses affected by the COVID-19 pandemic. The CARES Act did not have a material impact on the Company’s condensed consolidated financial statements as of September 30, 2020; however, the Company continues to examine the impacts the CARES Act may have on its business, results of operations, financial condition and liquidity.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

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