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Stockholders' Equity (Stock Issued in Private Placements) (Details) (USD $)
9 Months Ended
Sep. 30, 2012
Feb. 13, 2012
Investment Units sold in a Private Placement, Investors' Units [Member]
   
Capital Unit [Line Items]    
Sale of investment units, aggregate offering price   $ 3,000,000
Sale of investment units, number of units   30
Sale of investment units, price per unit   $ 100,000.0
Sale of investment units, number shares issued per unit   $ 32,258.0
Sale of investment units, shares issuable per warrant   16,129
Sale of investment units, warrant exercise price per share   3.1
Sale of investment units, placement agent fee paid 210,000  
Investment Units sold in a Private Placement, Placement Agent [Member]
   
Capital Unit [Line Items]    
Sale of investment units, shares issuable per warrant   58,064
Sale of investment units, warrant exercise price per share   3.1
Sale of investment units, value of issued warrant   $ 177,000