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Accounts Receivable, Net (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Accounts Receivable, Net (Textual)      
Bad debt $ (23,608) $ (150,280) $ 8,544
Allowance for continuing operations [Member]      
Accounts Receivable, Net (Textual)      
Bad debt     10,014
Recovery of bad debt $ (46,831) (139,716)  
Allowance for discontinued operations [Member]      
Accounts Receivable, Net (Textual)      
Bad debt   $ 154,025