Assets Held for Sale and Sale of Former Hungarian Subsidiary (Textual) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Mar. 13, 2014	Sep. 30, 2014	Jun. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Assets Held for Sale [Abstract]
Proceeds from sale of subsidiary	$ 1,500
Assets sold	800
Gain (loss) on disposal of property and equipment	$ 800	$ (200)		$ 5	$ 115
VAT liability			$ 400
Impairment of long-lived assets to be disposed of		$ 100	$ 600