Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED BALANCE SHEETS (Parenthetical)

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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
Dec. 31, 2017
Dec. 31, 2016
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts $ 460,100 $ 235,500
Preferred stock, par value (in dollars per shares) $ .001 $ 0.001
Preferred stock, authorized 5,000,000 5,000,000
Preferred stock, issued 0 0
Common stock, par value (in dollars per shares) $ 0.001 $ 0.001
Common stock, authorized 70,000,000 70,000,000
Common stock, issued 56,528,575 54,525,079
Common stock, outstanding 56,528,575 54,525,079
Common stock share issuable 190,000