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CONSOLIDATED BALANCE SHEET PARENTHETICALS (USD $)
Dec. 31, 2011
Dec. 31, 2010
Traded accounts receivable, allowance for doubtful accounts $ 3,536,405 $ 3,317,017
Other receivables, allowance for doubtful accounts 38,921 15,669
Property and equipment, accumulated depreciation 3,391,124 3,436,182
Intangible assets, accumulated amortization $ 3,041,804 $ 2,342,081
Preferred Stock, par or stated value $ 0.001 $ 0.001
Preferred Stock, shares authorized 5,000,000 5,000,000
Common Stock, par or stated value $ 0.001 $ 0.001
Common Stock, shares authorized 95,000,000 95,000,000
Common Stock, shares outstanding 43,529,557 43,404,557