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(10) Segment Reporting (Details Narrative) (USD $)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
Segment Reporting Details Narrative          
Percentage of accounts receivable from one major customer         11.00%
Sales return reserve (benefit) expense $ (200,000) $ 400,000 $ (500,000) $ (300,000)