Annual report pursuant to Section 13 and 15(d)

Sale of BioZone - Summary of Components of Loss from Sale of Bio Zone (Detail)

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Sale of BioZone - Summary of Components of Loss from Sale of Bio Zone (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Assets sold:    
Loss on sale of subsidiary $ (2,115) $ 0
Bio Zone [Member]    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Cash proceeds from sale 5,942  
Consideration for common stock transferred 50  
Prepaid inventory 2,000  
Fair market value of the common stock transferred (640)  
Assets sold:    
Accounts receivable, net (923)  
Inventory, net (1,761)  
Fixed assets, net (2,003)  
Intangible assets, net (5,657)  
All other assets (41)  
Liabilities transferred 1,197  
Transaction and other costs (279)  
Loss on sale of subsidiary $ (2,115)