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Legal Proceedings (Details) (USD $)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2013
Medical Products [Member]
Mar. 31, 2012
Medical Products [Member]
Mar. 31, 2013
Medical/Surgical Dealer [Member]
Medical Products [Member]
Mar. 31, 2012
Medical/Surgical Dealer [Member]
Medical Products [Member]
Apr. 30, 2013
Subsequent Event [Member]
Loss Contingencies [Line Items]              
Net sales $ 5,691,181 $ 6,068,379 $ 1,361,000 $ 1,447,000 $ 617,000 $ 790,000  
Percentage of revenue 90.00%            
Accounts Receivable, From Major Customer in Bankruptcy Court, Pre-Petition             $ 240,000