Quarterly report pursuant to Section 13 or 15(d)

Debt and Interest (Detail)

v3.3.0.814
Debt and Interest (Detail) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2015
Dec. 31, 2014
Debt [Line Items]    
Total notes payable, long-term $ 24,009 $ 14,009
Less: Discount of notes payable 718 6
Total notes payable, long-term, net 23,291 14,003
IDB Note [Member]    
Debt [Line Items]    
Total notes payable, long-term $ 14,009 14,009
Interest Rate 2.25%  
Maturity Date Feb - 2017  
NSC Note [Member]    
Debt [Line Items]    
Total notes payable, long-term $ 10,000 $ 0
Interest Rate 8.00%  
Maturity Date Mar - 2018