Quarterly report pursuant to Section 13 or 15(d)

Basic and Diluted Net Income (Loss) Per Common Share (Details)

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Basic and Diluted Net Income (Loss) Per Common Share (Details) (USD $)
3 Months Ended 12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Basic and Diluted Net Income (Loss) Per Common Share [Abstract]      
Net income (loss) $ (853,000) $ 3,354,000 $ 1,551,000
Weighted average shares outstanding (in shares) 25,876,943 24,800,936  
Basic net income (loss) per common share (in dollars per share) $ (0.03) $ 0.14  
Net income (loss) $ (853,000) $ 3,354,000  
Weighted average shares outstanding (in shares) 25,876,943 24,800,936  
Effect of dilutive options and warrants (in shares) 0 355,265  
Weighted average shares outstanding assuming dilution (in shares) 25,876,943 25,156,201  
Diluted net income (loss) per common share (in dollars per share) $ (0.03) $ 0.13  
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities not included in computation of diluted net income (loss) per common share (in shares) 121,084,160 114,815,081  
Warrants [Member]
     
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities not included in computation of diluted net income (loss) per common share (in shares) 31,072,726 35,683,943  
Stock options [Member]
     
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities not included in computation of diluted net income (loss) per common share (in shares) 11,944,200 863,904  
Preferred Stock - A [Member]
     
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities not included in computation of diluted net income (loss) per common share (in shares) 58,067,234 58,267,234  
Preferred Stock - B [Member]
     
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities not included in computation of diluted net income (loss) per common share (in shares) 20,000,000 20,000,000