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3. ACCOUNTS RECEIVABLE (Details) (USD $)
Mar. 31, 2013
Dec. 31, 2012
Accounts Receivable Details    
Accounts receivable $ 2,841,940 $ 2,212,448
Allowances for doubtful accounts (12,819) (13,089)
Accounts Receivable Net Current $ 2,829,121 $ 2,199,359