Nature of Business (Details) $ / shares in Units, $ in Millions	1 Months Ended	6 Months Ended
	Dec. 31, 2020 item	Jun. 30, 2022 USD ($) item segment	Aug. 31, 2022 USD ($)	May 02, 2022 $ / shares
Number of operating segments | segment		2
Number of INDs	2
Number of targets for collaborative discovery		3
Number of pathways inhibited		3
Number of cohorts		3
Capacity to issue additional shares of common stock | $		$ 14.2
Sale of stock, price per share | $ / shares				$ 1.65
Number of competitors		2
Shares voted (percent)		58.00%
Additional period		1 month
Minimum
Number of chemotherapies received by an adult patient		2
Number of prior lines of platinum based chemotherapy received by patient		2
Maximum | Forecast
Repurchase amount | $			$ 443.0