Segment Information - Summary of Assets by Geographic Region (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Segment Reporting, Asset Reconciling Item [Line Items]
Total Assets	$ 111,337	$ 119,242
United States [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total Assets	82,145	88,916
Malaysia [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total Assets	29,146	30,276
Other [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total Assets	$ 46	$ 50