Share Capital (Details Textual)	Oct. 27, 2017 shares	Sep. 30, 2017 vote shares	Dec. 31, 2016 shares
Preferred Stock [Member] | Series 4 Convertible Preferred Stock [Domain]
Share Capital [Line Items]
Shares, Outstanding	95,000	95,000	0
Common Stock [Member]
Share Capital [Line Items]
Shares, Outstanding		56,314,344	52,802,058
Common Stock [Member] | Common Class A [Member]
Share Capital [Line Items]
Common Stock, Voting Rights, Number of Votes per Share | vote		1
Shares, Outstanding		56,310,589	52,798,303
Common Stock [Member] | Common Class B
Share Capital [Line Items]
Common Stock, Voting Rights, Number of Votes per Share | vote		20
Shares, Outstanding		3,755