Quarterly report pursuant to Section 13 or 15(d)

D. ACCOUNTS RECEIVABLE (Details)

v3.4.0.3
D. ACCOUNTS RECEIVABLE (Details) - USD ($)
Mar. 31, 2016
Dec. 31, 2015
Components of accounts receivable    
Accounts receivable $ 2,827,293 $ 2,286,690
Allowance for doubtful accounts (28,517) (23,343)
Accounts receivable, net $ 2,798,776 $ 2,263,347