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Post-effective amendment to a registration statement that is not immediately effective upon filing

3. Accounts Receivable (Details)

v2.4.0.8
3. Accounts Receivable (Details) (USD $)
Apr. 30, 2013
Dec. 31, 2012
Dec. 31, 2011
Accounts Receivable Details [Abstract]      
Accounts receivable $ 437,323 $ 275,206 $ 262,694
Less: Allowance for doubtful accounts (72,535) (35,535) (47,595)
Accounts receivable, net $ 364,788 $ 239,671 $ 215,099