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Commitments and Contingencies (Capital Leases) (Details) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Year ending December 31:    
2013 $ 62,000  
2014 21,000  
2015 0  
2016 0  
2017 0  
Thereafter 0  
Total minimum payments 83,000  
Less: Amount representing interest (15,000)  
Present value of capital lease obligations 68,000  
Less: Current portion (48,000) (39,000)
Long-term obligation at December 31, 2012 $ 20,000 $ 72,000