Investment in Affiliated Entity	12 Months Ended
Dec. 31, 2020
Related Party Transactions [Abstract]
Investment in Affiliated Entity	Investment in Affiliated EntityAs of December 31, 2020 and 2019, the Company held 597,808 and 395,758 common shares in PLS, representing a 19.7% and 15.0% ownership interest, respectively. On August 27, 2020, the Company sold 1,644,155 shares of common stock in GeneOne for net proceeds of approximately 47.4 billion KRW (approximately USD $40.1 million based on the exchange rate on the date of sale). The Company no longer holds an investment in GeneOne shares and GeneOne is no longer considered a related party to the Company under ASC Topic 850. Please see further information as discussed in Note 2 and Note 6.

The entire disclosure for equity method investments and joint ventures. Equity method investments are investments that give the investor the ability to exercise significant influence over the operating and financial policies of an investee. Joint ventures are entities owned and operated by a small group of businesses as a separate and specific business or project for the mutual benefit of the members of the group.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-URI http://asc.fasb.org/topic&trid=2196965

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