XML 72 R53.htm IDEA: XBRL DOCUMENT v3.6.0.2
Credit Facilities - Additional Information (Detail) - USD ($)
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Dec. 18, 2015
Oct. 29, 2014
Mar. 28, 2014
Jul. 02, 2012
Aug. 31, 2012
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Dec. 31, 2014
Jul. 31, 2013
Jul. 31, 2012
Line Of Credit Facility [Line Items]                          
Amortization of deferred financing cost           $ 37,000 $ 37,000 $ 117,000 $ 107,000 $ 251,000 $ 86,000    
Proceeds from line of credit                 12,000,000 12,800,000 61,199,000    
Loss on extinguishment of debt                     (1,230,000)    
Letter of Credit                          
Line Of Credit Facility [Line Items]                          
Line of credit facility, maximum borrowing capacity     $ 5,000,000                    
Line of credit     9,256,000                   $ 6,000,000
Credit facility remaining borrowing capacity         $ 4,000,000                
Line of credit, value       $ 10,000,000                  
Line of credit, interest rate       1.00%               0.35%  
Line of credit, expiration period       1 year                  
Stock dividend percentage         0.32%                
Line of credit, interest expense                   0 80,000    
Revolving Credit Facility                          
Line Of Credit Facility [Line Items]                          
Line of credit facility, maximum borrowing capacity $ 55,000,000 $ 100,000,000 72,500,000     74,000,000   $ 74,000,000          
Credit facility available to repay outstanding preferred share and previous line of credit     40,000,000             40,000,000      
Direct financing costs     $ 1,675,000                    
Credit facility maturity date     Mar. 28, 2019         Mar. 28, 2019          
Line of credit 75,000,000   $ 53,837,000     56,500,000 100,000,000 $ 56,500,000 100,000,000 64,216,000      
Unamortized debt discount     1,139,000     730,000   730,000   962,000 $ 956,000    
Letters of credit outstanding           3,530,000   3,530,000   4,157,000      
Credit facility remaining borrowing capacity           $ 13,927,000   $ 13,927,000   $ 6,602,000      
Weighted average interest rate on outstanding borrowing           4.40%   4.40%   4.10%      
Capitalized interest expense on property plant and equipment           $ 80,000 $ 1,057,000 $ 80,000 $ 1,057,000        
Facility termination date               Nov. 09, 2016          
Amortization of deferred financing cost     1,675,000                    
Proceeds from line of credit     $ 52,698,000                    
Professional and legal fees                   $ 678,000      
Loss on extinguishment of debt                   1,230,000      
Commitment fee $ 250,000 275,000                      
Leverage ratio                 3.00%        
Excess availability of covenants                   $ 3,000,000      
Revolving Credit Facility | Letter of Credit                          
Line Of Credit Facility [Line Items]                          
Line of credit facility, maximum borrowing capacity   $ 15,000,000                      
Revolving Credit Facility | Base Rate [Member]                          
Line Of Credit Facility [Line Items]                          
Interest rate 3.00%                        
Revolving Credit Facility | Base Rate [Member] | Minimum                          
Line Of Credit Facility [Line Items]                          
Interest rate                   2.50%      
Revolving Credit Facility | Base Rate [Member] | Maximum                          
Line Of Credit Facility [Line Items]                          
Interest rate                   3.00%      
Revolving Credit Facility | London Interbank Offered Rate (LIBOR)                          
Line Of Credit Facility [Line Items]                          
Interest rate 4.00%                        
Revolving Credit Facility | London Interbank Offered Rate (LIBOR) | Minimum                          
Line Of Credit Facility [Line Items]                          
Interest rate                   3.50%      
Revolving Credit Facility | London Interbank Offered Rate (LIBOR) | Maximum                          
Line Of Credit Facility [Line Items]                          
Interest rate                   4.00%