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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)
3 Months Ended 6 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Dec. 31, 2011
Dec. 31, 2012
Allowance for Doubtful Accounts Receivable [Roll Forward]        
Balance at beginning of year $ 3,461,000 $ 2,903,000    
Bad debt expense 537,000 650,000    
Write-offs 18,000      
Recoveries   (28,000)    
Balance at end of period 4,016,000 3,525,000 2,903,000  
Unrecognized tax benefits 700,000     700,000
Unrecognized tax benefits that would impact the effective tax rate, if recognized 100,000     100,000
Tax settlement amount     800,000  
Operating loss wrote-off     2,900,000  
Valuation allowance to offset net operation losses     $ 2,700,000