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Consolidated Balance Sheets (Parenthetical) - USD ($)
Mar. 31, 2017
Dec. 31, 2016
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts $ 600,803 $ 508,288
Preferred Stock, par value per share $ 0.001 $ 0.001
Preferred Stock, shares authorized 5,000,000 5,000,000
Preferred Stock, shares issued
Preferred stock, shares outstanding
Common shares, par value per share $ 0.001 $ 0.001
Common shares, shares authorized 50,000,000 50,000,000
Common shares, shares issued 8,391,547 8,380,663
Common shares, shares outstanding 8,371,547 8,360,663