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CONSOLIDATED BALANCE SHEETS PARENTHETICALS (USD $)
Mar. 31, 2013
Dec. 31, 2012
Allowance for doubtful accounts on trade accounts receivables $ 4,333,411 $ 4,429,945
Allowance for doubtful accounts on other receivables 50,592 49,881
Accumulated depreciation on property and equipment 4,511,658 4,273,373
Accumulated amortization on intangible assets $ 3,097,224 $ 2,944,726
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 43,579,557
Common Stock, shares outstanding 43,579,557 43,579,557