Earnings Per Share (Details Textual)	1 Months Ended	3 Months Ended		6 Months Ended
	Apr. 30, 2004	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Earnings Per Share [Line Items]
Stockholders' Equity, Reverse Stock Split	one-for-five	five-for-one	five-for-one	five-for-one	five-for-one