Quarterly report pursuant to Section 13 or 15(d)

Debt and Interest- Additional Information (Detail)

v3.4.0.3
Debt and Interest- Additional Information (Detail) - USD ($)
1 Months Ended 3 Months Ended
Feb. 29, 2016
Feb. 13, 2014
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Mar. 17, 2014
Debt [Line Items]            
Notes Payable     $ 14,000,000      
Sale of Stock, Percentage of Ownership after Transaction     25.00%      
Repayments of Debt $ 2,800,000          
Amortization of Debt Discount (Premium) 324,000   $ 369,000 $ 0    
Equity Method Investment, Ownership Percentage           35.00%
Letter of Credit [Member]            
Debt [Line Items]            
Debt Instrument, Interest Rate, Stated Percentage     2.00%      
Letters of Credit Outstanding, Amount     $ 1,700,000      
Israel Discount Bank Of New York [Member]            
Debt [Line Items]            
Debt Instrument, Face Amount   $ 15,000,000        
Notes Payable     $ 14,000,000      
IDB Promissory Note Payable [Member]            
Debt [Line Items]            
Debt Instrument, Interest Rate, Stated Percentage     2.25%      
Debt Instrument, Face Amount   15,000,000        
IDB Promissory Note Payable [Member] | Minimum [Member]            
Debt [Line Items]            
Debt Instrument, Unused Borrowing Capacity, Amount   100,000        
NSC Note [Member]            
Debt [Line Items]            
Debt Instrument, Interest Rate, Stated Percentage     8.00%      
Debt Instrument, Fee Amount         $ 900,000  
Notes Payable       $ 10,000,000    
Debt Instrument, Maturity Date, Description     Mar - 2018 36 months    
Debt Instrument, Interest Rate, Effective Percentage         12.40%  
NSC Note [Member] | Warrant [Member]            
Debt [Line Items]            
Debt Instrument, Unamortized Discount (Premium), Net, Total     $ 113,500      
Long-term Debt, Fair Value 174,000          
Hercules Note Payble [Member]            
Debt [Line Items]            
Debt Instrument, Periodic Payment, Interest   100,000        
Debt Instrument, Periodic Payment   $ 14,000,000        
National Holding’s Corporation Inc [Member] | Board of Directors Chairman [Member]            
Debt [Line Items]            
Equity Method Investment, Ownership Percentage     4.20%      
NSC [Member]            
Debt [Line Items]            
Debt Instrument, Term     10 years      
Checkpoint [Member]            
Debt [Line Items]            
Debt Instrument, Unamortized Discount (Premium), Net, Total $ 324,000          
Checkpoint [Member] | NSC Note [Member]            
Debt [Line Items]            
Fees related to the loan agreement     $ 2,800,000      
Avenue [Member]            
Debt [Line Items]            
Debt Instrument, Unamortized Discount (Premium), Net, Total     267,500      
Avenue [Member] | NSC Note [Member]            
Debt [Line Items]            
Fees related to the loan agreement     $ 3,000,000