Joint Venture (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Joint Venture (Textual) [Abstract]
Ownership interest in the joint venture	51.00%		51.00%
Net loss from discontinued operations attributable to non-controlling interest, net of income taxes	$ 0	$ (239,000)	$ 0	$ (356,000)
Registered capital of the Joint venture	$ 4,000,000		$ 4,000,000