Business Segment, Geographic, and Concentration Risk Information - Summary of Depreciation, Amortization and Assets by Segment (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Total depreciation and amortization:
Total consolidated depreciation and amortization	$ 711	$ 1,193	$ 1,685	$ 2,467
Total assets:
Total consolidated assets	221,887		221,887		$ 267,448
Operating Segments
Total depreciation and amortization:
Total consolidated depreciation and amortization	669	951	1,470	1,986
Total assets:
Total consolidated assets	195,345		195,345		204,238
Discontinued operations
Total depreciation and amortization:
Total consolidated depreciation and amortization	42	242	215	481
Total assets:
Total consolidated assets	26,542		26,542		63,210
Oncology Innovation Platform | Operating Segments
Total depreciation and amortization:
Total consolidated depreciation and amortization	125	224	337	438
Total assets:
Total consolidated assets	112,759		112,759		131,432
Global Supply Chain Platform | Operating Segments
Total depreciation and amortization:
Total consolidated depreciation and amortization	243	266	499	542
Total assets:
Total consolidated assets	19,143		19,143		19,693
Commercial Platform | Operating Segments
Total depreciation and amortization:
Total consolidated depreciation and amortization	301	$ 461	634	$ 1,006
Total assets:
Total consolidated assets	$ 63,443		$ 63,443		$ 53,113