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CONSOLIDATED BALANCE SHEETS PARENTHETICALS (USD $)
Dec. 31, 2012
Dec. 31, 2011
Allowance for doubtful accounts on trade accounts receivables $ 4,429,945 $ 3,536,405
Allowance for doubtful accounts on other receivables 49,881 38,921
Accumulated depreciation on property and equipment 4,273,373 3,391,124
Accumulated amortization on intangible assets $ 2,944,726 $ 3,041,804
Preferred Stock, par or stated value $ 0.001 $ 0.001
Preferred Stock, shares authorized 5,000,000 5,000,000
Preferred Stock, shares issued 0 0
Preferred Stock, shares outstanding 0 0
Common Stock, par or stated value $ 0.001 $ 0.001
Common Stock, shares authorized 95,000,000 95,000,000
Common Stock, shares issued 43,579,557 43,529,557
Common Stock, shares outstanding 43,579,557 43,529,557