Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net cash provided by (used in) operating activities	$ 1,929	$ (1,495)
Cash flows from investing activities:
Distribution from Joint Venture	0	1,509
Capital expenditures	(73)	(44)
Proceeds from sale of assets	2
Net cash (used in) provided by investing activities	(71)	1,465
Cash flows from financing activities:
Purchase of treasury stock		(2,667)
Proceeds from employee stock purchase plan	4
Net cash provided by (used in) financing activities	4	(2,667)
Effect of exchange rate changes on cash and cash equivalents	(167)	97
Net increase (decrease) in cash and cash equivalents	1,695	(2,600)
Cash and cash equivalents at beginning of period	40,168	39,889
Cash and cash equivalents at end of period	$ 41,863	$ 37,289