For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
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-Name Accounting Standards Codification
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Summary of Significant Accounting Policies - Segment Information (Details) - segment	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Information
Number of operating segments	1
Other customers \| Revenue \| Customer concentration
Segment Information
Percentages of revenue recognized	0.00%	0.00%	0.00%
Roche \| Revenue \| Customer concentration
Segment Information
Percentages of revenue recognized	28.00%	67.00%	53.00%
Huadong \| Revenue \| Customer concentration
Segment Information
Percentages of revenue recognized	37.00%	24.00%
Jazz \| Revenue \| Customer concentration
Segment Information
Percentages of revenue recognized			46.00%
Lilly \| Revenue \| Customer concentration
Segment Information
Percentages of revenue recognized	17.00%
Viridian \| Revenue \| Customer concentration
Segment Information
Percentages of revenue recognized	10.00%	11.00%	1.00%