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DEBT (Details)
1 Months Ended 12 Months Ended
Nov. 30, 2015
USD ($)
Mar. 31, 2015
USD ($)
Dec. 31, 2013
loan
Jun. 30, 2012
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Apr. 30, 2014
Aug. 31, 2013
USD ($)
Revolving Credit Facility                
Debt Instrument [Line Items]                
Maximum borrowing capacity $ 20,000,000.0     $ 10,000,000.0        
Minimum stated percentage rate       4.00%        
Required liquidity ratio         1.25      
Potential increase in interest rate         5.00%      
Amount outstanding         $ 20,000,000      
Revolving Credit Facility | Prime Rate                
Debt Instrument [Line Items]                
Basis spread on variable rate 1.00% 0.50%   0.75%        
Revolving Credit Facility | LIBOR                
Debt Instrument [Line Items]                
Basis spread on variable rate 1.75% 2.25%            
Secured Debt | Sublimit Guaranteed by Export-Import Bank of United States                
Debt Instrument [Line Items]                
Maximum borrowing capacity $ 0     $ 3,000,000.0        
Term Loan                
Debt Instrument [Line Items]                
Maximum borrowing capacity               $ 20,000,000.0
Amount outstanding           $ 10,000,000.0    
Number of loans | loan     2          
Final payment to be paid   $ 300,000.0            
Term Loan | Term Loan Credit Facility, Option One                
Debt Instrument [Line Items]                
Stated interest percentage           9.75% 9.25%  
Term Loan | Term Loan Credit Facility, Option Two                
Debt Instrument [Line Items]                
Stated interest percentage           10.75% 10.25%