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Accounts Receivable and Allowance for Doubtful Accounts
12 Months Ended
Dec. 31, 2011
Accounts Receivable Additional Disclosures [Abstract]  
Accounts Receivable and Allowance for Doubtful Accounts
 

3.             ACCOUNTS RECEIVABLE AND ALLOWANCE FOR DOUBTFUL ACCOUNTS

 

The Company grants credit to our customers without requiring collateral. The amount of accounting loss for which we are at risk in these unsecured accounts receivable is limited to their carrying value. Accounts receivable were composed of the following at December 31, 2011 and 2010 (in 000's):

 

 

2011

 

2010

 

 

 

 

Billed receivables

$ 16,564   

 

$ 14,698  

Unbilled receivables

510

 

823

 

17,074

 

15,521

Less: Allowance for doubtful accounts

(97)

 

(242)

 

$16,977   

 

$ 15,279   

 

 

Changes in the allowance for doubtful accounts were composed of the following during the twelve months ended December 31, 2011 and 2010 (in 000's):

 

 

 

Description

Balance at Beginning of Period

 

Charged to Expenses

Charged to Other Accounts

 

 

Deductions

Balance at End of Period

(in 000's)

 

 

Allowance for doubtful accounts

 

 

 

 

 

   Year ended December 31,

 

 

 

 

 

              2011………………………

       $  242

 $          43

    $            -

  $      (188)

   $    97

              2010………………………

       $  172

 $        145

    $            -

  $        (75)

   $  242