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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
Mar. 31, 2012
Dec. 31, 2011
Accounts receivable trade, allowance for doubtful accounts $ 630,707 $ 501,841
Convertible Redeemable Series E Preferred Stock, shares designated 10,582,011 10,582,011
Convertible Redeemable Series E Preferred Stock, liquidation value per share $ 1.00 $ 1.00
Convertible Redeemable Series E Preferred Stock, issued 5,486,969 6,662,748
Convertible Redeemable Series E Preferred Stock, outstanding 5,486,969 6,662,748
Preferred stock, authorized 20,000,000 20,000,000
Preferred stock, Series B convertible redeemable preferred stock liquidation value, share of common stock 1 1
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, shares designated 825,000 825,000
Preferred stock, issued 10,000 10,000
Preferred stock, outstanding 10,000 10,000
Common stock, par value $ 0.001 $ 0.001
Common stock, authorized 500,000,000 500,000,000
Common stock, issued 129,887,148 109,329,587
Common stock, outstanding 129,887,148 109,329,587