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Notes Payable and Revolving Credit Agreement (Tables)
 6 Months Ended
Jun. 30, 2012
Notes Payable and Revolving Credit Agreement [Abstract]  
Summary of notes payable

Notes payable as of June 30, 2012 and December 31, 2011 consisted of the following ($ in thousands):

 

                 
    2012     2011  

Revolving credit agreement average effective interest rate of 2.6% inclusive of unused fee

   $  20,000     $  23,500  

Promissory note payable in annual installments of $100 plus accrued interest through December 31, 2012, interest accrues at 3.25% per annum

     100       100  

Promissory note payable in annual installments of $50 plus accrued interest through December 21, 2012, interest accrues at 4.00% per annum

     50       50  

Promissory note payable in annual installments of $184 plus accrued interest through June 30, 2013, interest accrues at 3.25% per annum

     184       367  

Promissory note payable in annual installments of $100 plus accrued interest through July 25, 2013, interest accrues at 3.25% per annum

     200       200  

Promissory note payable in annual installments of $50 plus accrued interest through January 3, 2014, interest accrues at 3.25% per annum

     100       —    

Promissory notes payable in aggregate annual installments of $125 plus accrued interest through May 22, 2014, interest accrues at 3.25% per annum

     250       —    
   

 

 

    

 

 

  
      20,884       24,217  

Less current portion

     (609 )      (433 ) 
   

 

 

    

 

 

  
    $ 20,275     $ 23,784  
   

 

 

    

 

 

  
Summary of aggregate annual payments of principal required to revolving credit facility
         

During the twelve months ended June 30, 2013

   $ 609  

During the twelve months ended June 30, 2014

     275  

During the twelve months ended June 30, 2015

     —    

During the twelve months ended June 30, 2016

     20,000  
   

 

 

  
    $ 20,884