Comprehensive Loss (Details) - Jun. 30, 2015 - USD ($) $ in Thousands	Total	Total
Changes in accumulated other comprehensive income (loss) by component
Balance at the beginning of the period	$ 2,616	$ 2,590
Other comprehensive income (loss) before reclassifications	(180)	(154)
Net current-period other comprehensive income (loss)	(180)	(154)
Balance at the end of the period	2,436	2,436
Unrealized Gain (Loss) on Marketable Securities, net of tax
Changes in accumulated other comprehensive income (loss) by component
Balance at the beginning of the period	20	9
Other comprehensive income (loss) before reclassifications	(180)	(169)
Net current-period other comprehensive income (loss)	(180)	(169)
Balance at the end of the period	(160)	(160)
Foreign Currency Items
Changes in accumulated other comprehensive income (loss) by component
Balance at the beginning of the period	2,596	2,581
Other comprehensive income (loss) before reclassifications		15
Net current-period other comprehensive income (loss)		15
Balance at the end of the period	$ 2,596	$ 2,596