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Short-Term and Long-Term Debt (Long-Term Debt) (Details) (USD $)
1 Months Ended 0 Months Ended
Dec. 30, 2011
Convertible Notes Payable [Member]
Mar. 31, 2013
Convertible Notes Payable [Member]
Dec. 31, 2012
Convertible Notes Payable [Member]
Feb. 12, 2010
Term Loan [Member]
RBS Citizens [Member]
Mar. 31, 2013
Term Loan [Member]
RBS Citizens [Member]
Dec. 31, 2012
Term Loan [Member]
RBS Citizens [Member]
Debt Instrument [Line Items]            
Debt instrument, face amount $ 575,000     $ 1,500,000    
Debt instrument, maturity date Dec. 29, 2013     Feb. 01, 2015    
Debt interest rate 10.00%     5.70%    
Shares to be issued upon conversion of convertible note, shares 260,180          
Debt conversion, price per share $ 2.21          
Beneficial conversion feature recorded as a debt discount 88,000          
Debt instrument, carrying amount   575,000 575,000   575,000 650,000
Credit facility agreement, monthly principal payment       $ 25,000    
Interest rate additional rate above LIBOR       3.75% 3.95%