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Long-Term Debt (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Aug. 18, 2015
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Debt Instrument [Line Items]            
Secured Debt   $ 1,100,000   $ 1,100,000    
Debt Instrument, Maturity Date       May 01, 2017    
Term Loan Maturity Period       3 years    
Write off of Deferred Debt Issuance Cost   557,000 $ 0 $ 557,000 $ 0  
Amortization of Acquisition Costs       261,000    
Long-term Debt, Total   $ 36,365,000   $ 36,365,000   $ 36,078,000
Long-term Debt, Maturities, Repayment Terms       May 31, 2018    
Old Credit Agreement [Member]            
Debt Instrument [Line Items]            
Write off of Deferred Debt Issuance Cost       $ 557,000    
London Interbank Offered Rate (LIBOR) [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Interest Rate, Effective Percentage   0.25%   0.25%   0.16925%
Maximum [Member] | Old Credit Agreement [Member]            
Debt Instrument [Line Items]            
Line of Credit Facility, Commitment Fee Percentage       0.35%    
Maximum [Member] | Base Rate [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Basis Spread on Variable Rate       1.00%   1.25%
Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Basis Spread on Variable Rate       2.00%   2.25%
Minimum [Member] | Old Credit Agreement [Member]            
Debt Instrument [Line Items]            
Line of Credit Facility, Commitment Fee Percentage       0.25%    
Minimum [Member] | Base Rate [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Basis Spread on Variable Rate       0.00%    
Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member]            
Debt Instrument [Line Items]            
Debt Instrument, Basis Spread on Variable Rate       1.00%   1.25%
Term loan [Member] | Old Credit Agreement [Member]            
Debt Instrument [Line Items]            
Long-term Debt, Total   $ 0   $ 0   $ 30,000,000
Term loan [Member] | Old Credit Agreement [Member] | Two Thousand Eighteen Matuirity Debt [Member]            
Debt Instrument [Line Items]            
Long-term Debt, Total   30,000,000   30,000,000    
Revolving credit facility [Member]            
Debt Instrument [Line Items]            
Unused borrowing capacity under the revolving credit Facility   64,000,000   64,000,000    
Debt Instrument, Maturity Date Aug. 18, 2020          
Long-term Debt, Total $ 100,000,000 35,287,000   35,287,000   0
Long-term Debt, Maturities, Repayment Terms five-year          
Revolving credit facility [Member] | Old Credit Agreement [Member]            
Debt Instrument [Line Items]            
Long-term Debt, Total   0   0   $ 5,000,000
Revolving credit facility [Member] | Old Credit Agreement [Member] | Two Thousand Eighteen Matuirity Debt [Member]            
Debt Instrument [Line Items]            
Long-term Debt, Total   $ 90,000,000   $ 90,000,000    
Revolving credit facility [Member] | Maximum [Member]            
Debt Instrument [Line Items]            
Line of Credit Facility, Commitment Fee Percentage       0.30%    
Revolving credit facility [Member] | Minimum [Member]            
Debt Instrument [Line Items]            
Line of Credit Facility, Commitment Fee Percentage       0.20%