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CONDENSED CONSOLIDATED BALANCE SHEETS PARENTHETICALS (USD $)
Jun. 30, 2012
Dec. 31, 2011
Allowance for doubtful accounts on trade accounts receivables $ 4,107,021 $ 3,536,405
Allowance for doubtful accounts on other receivables 47,175 38,921
Accumulated depreciation on property and equipment 3,839,492 3,391,124
Accumulated amortization on intangible assets $ 3,368,430 $ 3,041,804
Preferred Stock, par or stated value $ 0 $ 0
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