Statements of Comprehensive Income (Loss) Statement (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net Income (Loss) Attributable to Parent	$ 252	$ 6,661	$ 1,404	$ 14,869
Available-for-sale Securities, Change in Net Unrealized Holding Gain (Loss), Net of Tax	2	(51)	(39)	(50)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	563	574	(385)	408
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ 817	$ 7,184	$ 980	$ 15,227