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Debt (Details) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Long-term debt    
Term loan payable to Bank of America Merrill Lynch through December 2015 at $16,667 monthly plus interest at LIBOR rate plus 375 basis points (3.963% at December 31, 2012) collateralized by accounts receivable, inventory, and equipment $ 600,000 $ 800,000
Less current portion 200,000 200,000
Long-term portion $ 400,000 $ 600,000