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SEC Schedule, Article 12-09, Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2011
SEC Schedule, Article 12-09, Valuation and Qualifying Accounts  
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]

Schedule II – Valuation and Qualifying Accounts

 

                                     Classification

 

Balance at Beginning of Year

 

Additions Charged to Expenses

 

Deductions [1]

 

Balance at End of Year

 

 

 

 

 

 

 

 

 

Year ended December 31, 2011:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Allowance for doubtful accounts, returns and allowances

 

                               $135,000

 

                         

$     5,806

 

 

$  10,806

 

                        $140,000

 

 

 

 

 

 

 

 

 

Inventory valuation allowance

 

              $516,600

 

             $221,113

 

    $188,713

 

        $549,000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Year ended December 31, 2010:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Allowance for doubtful accounts, returns and allowances

 

                               $155,000

 

                         

$     11,943

 

 

$  31,943

 

                        $135,000

 

 

 

 

 

 

 

 

 

Inventory valuation allowance

 

              $564,500

 

             $122,814

 

    $170,714

 

        $516,600

 

[1] Accounts receivable written off are net of recoveries.