Income Taxes (Detail Textuals)	6 Months Ended
	Jun. 30, 2018 USD ($)
Operating Loss Carryforwards [Line Items]
Deferred tax assets valuation allowance, percentage	100.00%
Valuation allowance increased	$ 2,800,000
Unrecorded tax benefits	0
U.S. domestic
Operating Loss Carryforwards [Line Items]
Cumulative tax loss carryforwards	35,700,000
Foreign
Operating Loss Carryforwards [Line Items]
Cumulative tax loss carryforwards	$ 31,300,000