Annual report pursuant to Section 13 and 15(d)

Discontinued Operations - Additional Information (Detail)

v3.3.1.900
Discontinued Operations - Additional Information (Detail) - USD ($)
Oct. 21, 2013
Dec. 31, 2015
Dec. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Discontinued operations, assets   $ 0  
Discontinued operations, liabilities   $ 0  
Discontinued operations, inventory     $ 300,000
Discontinued operations, other current assets     $ 300,000
Payments under outstanding balance owed under a Revolving Credit and Security Agreement $ 19,600,000    
Early termination fee 400,000    
GVE Newco, LLC      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Total consideration received for sale of subsidiary $ 51,700,000