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Stockholders' Equity (Details) (USD $)
3 Months Ended 0 Months Ended 3 Months Ended 0 Months Ended 0 Months Ended 3 Months Ended 0 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Apr. 04, 2014
Subsequent Event [Member]
Common Stock [Member]
Shelf Registration [Member]
Apr. 04, 2014
Subsequent Event [Member]
Common Stock [Member]
Apr. 04, 2014
Subsequent Event [Member]
Shelf Registration [Member]
Apr. 04, 2014
Subsequent Event [Member]
Oct. 07, 2011
Purchase Agreement With LPC [Member]
Mar. 31, 2014
Warrant [Member]
Jul. 03, 2013
Common Stock [Member]
Shelf Registration [Member]
Mar. 31, 2014
Common Stock [Member]
Jul. 03, 2013
Common Stock [Member]
Jul. 03, 2013
Shelf Registration [Member]
Mar. 31, 2014
Shelf Registration [Member]
Jul. 03, 2013
Underwriting Agreement [Member]
Stockholders' Equity (Details) [Line Items]                            
Adjustments to Additional Paid in Capital, Other $ 3,600,000             $ 3,500,000            
Proceeds from Warrant Exercises 1,000,000                        1,000,000  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares)       812,000           800,000        
Fair Value Adjustment of Warrants 2,051,000 (3,000)           2,500,000            
Shelf Registration Date of Filing Dec. 31, 2012                          
Shelf Registration Effective Date May 21, 2012                          
Shelf Registration Authorized Amount 50,000,000                       50,000,000  
Shelf Registartion Public Float Threshold 75,000,000                       75,000,000  
Shelf Registration Units Sold (in Shares)         2,030,000       1,730,000     1,730,000    
Shelf Registration Units Sold Share Component Per Unit (in Shares)     1           1   1      
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Share)     $ 4.20                 $ 1.25 $ 1.25  
Gross Proceed from Issuance of Common Stock                       2,200,000    
Net Proceeds from Issuance of Common Stock                           1,700,000
Placement Agent Agreement, Registered Direct Offering, Number of Shares Authorized (in Shares)       2,030,000                    
Placement Agent Agreement Registered Direct Offering Net Proceeds           6,100,000                
Stock Purchase Agreement Authorized Amount             $ 10,000,000              
Stock Purchase Agreement Period in Force             30 months