Statements of Comprehensive Income (Loss) Statement (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net Income (Loss) Attributable to Parent	$ 393	$ 1,862
Available-for-sale Securities, Change in Net Unrealized Holding Gain (Loss), Net of Tax	14	(23)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	(449)	186
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ (42)	$ 2,025