Value added tax receivable, Net (Details) - USD ($)	1 Months Ended	6 Months Ended
	Jul. 31, 2017	Jun. 30, 2017	Dec. 31, 2016
Value added tax receivable, net
VAT receivables offset against VAT payable		$ 15,000
Proceeds from VAT refunds	$ 200,000
Reversed valuation allowance		200,000
Value added tax receivable, net		$ 185,000	$ 5,000