Dividends (Details Textual) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended			6 Months Ended
	Apr. 13, 2015	Jul. 17, 2015	Jun. 19, 2015	Mar. 19, 2015	Jun. 30, 2015	Jun. 30, 2014
Dividends Payable [Line Items]
Common Stock, Dividends, Per Share, Cash Paid			$ 0.025	$ 0.025
Payments of Dividends, Total	$ 218				$ 668	$ 431
Subsequent Event [Member]
Dividends Payable [Line Items]
Payments of Dividends, Total		$ 217