Business Segment, Geographic, and Concentration Risk Information - Summary of Depreciation, Amortization and Assets by Segment (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Total depreciation and amortization
Total consolidated depreciation and amortization	$ 5,003	$ 4,492	$ 3,817
Total assets:
Total assets	267,448	384,329
Operating Segments
Total depreciation and amortization
Total consolidated depreciation and amortization	4,682	4,461	3,807
Total assets:
Total assets	239,320	368,974
Operating Segments | Oncology Innovation Platform
Total depreciation and amortization
Total consolidated depreciation and amortization	879	776	762
Total assets:
Total assets	131,432	234,153
Operating Segments | Global Supply Chain Platform
Total depreciation and amortization
Total consolidated depreciation and amortization	1,982	2,017	1,479
Total assets:
Total assets	54,775	83,732
Operating Segments | Commercial Platform
Total depreciation and amortization
Total consolidated depreciation and amortization	1,821	1,668	1,566
Total assets:
Total assets	53,113	51,089
Discontinued operations
Total depreciation and amortization
Total consolidated depreciation and amortization	321	31	$ 10
Total assets:
Total assets	$ 28,128	$ 15,355