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Loss Per Common Share (Details)
3 Months Ended 12 Months Ended 3 Months Ended
Mar. 31, 2013
Warrant [Member]
Dec. 31, 2012
Warrant [Member]
Dec. 31, 2012
Employee Stock Option [Member]
Dec. 31, 2011
Employee Stock Option [Member]
Mar. 31, 2013
Equity Option [Member]
Mar. 31, 2012
Equity Option [Member]
Loss Per Common Share (Details) [Line Items]            
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 11,010,000 11,010,000 6,500 12,000 1,500 9,500