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Subsequent Events (Details) (Subsequent Event, Security Note, USD $)
12 Months Ended
Dec. 31, 2012
Subsequent Event | Security Note
 
Subsequent Event [Line Items]  
Debt instrument, face amount $ 4,700,000
Debt instrument, maturity term 5 years
Debt instrument, fixed interest rate 2.76%
Monthly debt payment $ 83,000