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LEASES (Details 2) (USD $)
12 Months Ended
Dec. 31, 2013
item
Dec. 31, 2012
Dec. 31, 2011
Operating Lease Obligations      
Number of operating lease that expire on a month to month basis 1    
Rent expense $ 750,000 $ 700,000 $ 605,000
Schedule of future minimum rental payments      
2014 642,340    
2015 467,755    
2016 371,354    
2017 244,845    
2018 and thereafter 104,934    
Total minimum payments required $ 1,831,228    
Offices
     
Operating Lease Obligations      
Number of leased properties 5    
Offices | Texas
     
Operating Lease Obligations      
Number of leased properties 1    
Offices | Alberta
     
Operating Lease Obligations      
Number of leased properties 1    
Offices | Texas and Oklahoma
     
Operating Lease Obligations      
Number of leased properties 2    
Warehouse facilities
     
Operating Lease Obligations      
Number of leased properties 2