XML 41 R23.htm IDEA: XBRL DOCUMENT

Concentration and Major Customers and Suppliers	3 Months Ended
Concentration and Major Customers and Suppliers	Mar. 31, 2018
Concentration and Major Customers and Suppliers and Concentration of Credit Risk and Risks and Uncertainties [Abstract]
Concentration and Major Customers and Suppliers	(18) Concentration and Major Customers and Suppliers For the three months ended March 31, 2018, the Company had two customers contributed over 20% of total sales. For the three months ended March 31, 2017, the Company had no single customer contributed over 10% of total sales. For the three months ended March 31, 2018, the Company had three major suppliers accounted for 41%, 20% and 10% of total purchases. For the three months ended March 31, 2017, the Company had three major suppliers accounted for 52%, 16% and 14% of total purchases.