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CONSOLIDATED BALANCE SHEETS PARENTHETICALS - USD ($)
Mar. 31, 2015
Dec. 31, 2014
Parentheticals    
Allowance for doubtful accounts on trade accounts receivables $ 47,767,489 $ 44,357,451
Allowance for doubtful accounts on other receivables 67,988 60,325
Allowance for obsolescence of inventory 7,169,389 6,934,044
Accumulated depreciation on property and equipment 7,530,897 6,640,718
Accumulated amortization on intangible assets $ 4,299,549 $ 4,186,273
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 outstanding 43,579,557 43,579,557