Business Segment, Geographic, and Concentration Risk Information - Summary of Depreciation, Amortization and Assets by Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Total depreciation and amortization:
Total consolidated depreciation and amortization	$ 803	$ 1,201	$ 3,772	$ 3,668
Total assets:
Total consolidated assets	228,350		228,350		$ 267,448
Operating Segments
Total depreciation and amortization:
Total consolidated depreciation and amortization	747	919	2,216	2,905
Total assets:
Total consolidated assets	201,993		201,993		204,238
Discontinued operations
Total depreciation and amortization:
Total consolidated depreciation and amortization	56	282	1,556	763
Total assets:
Total consolidated assets	26,357		26,357		63,210
Oncology Innovation Platform | Operating Segments
Total depreciation and amortization:
Total consolidated depreciation and amortization	198	221	534	658
Total assets:
Total consolidated assets	111,437		111,437		131,432
Global Supply Chain Platform | Operating Segments
Total depreciation and amortization:
Total consolidated depreciation and amortization	250	266	749	809
Total assets:
Total consolidated assets	18,699		18,699		19,693
Commercial Platform | Operating Segments
Total depreciation and amortization:
Total consolidated depreciation and amortization	299	$ 432	933	$ 1,438
Total assets:
Total consolidated assets	$ 71,857		$ 71,857		$ 53,113