Annual report pursuant to Section 13 and 15(d)

Note 1 - Description of Business - Additional Information (Detail)

v3.6.0.2
Note 1 - Description of Business - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Accumulated deficit $ (150,994) $ (147,517) $ (95,659)
Maximum amount of secured borrowing arrangement 10,000    
Cash 4,943 $ 7,081 $ 1,020
Working capital deficit 9,600    
Cash received on account of sale of accounts 43,700    
Repayments on secrued borrowing arrangement 41,900    
Restructuring commencement date   Aug. 24, 2015  
Convertible notes with a related party, net of discount 16,465 $ 0  
Convertible note with a related party, net of discount 0 $ 5,952  
Total liabilities $ 39,000