Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 31,748	$ 33,182
Accounts receivable, net	50,467	51,289
Other receivables	2,498	2,986
Inventories, net	16,461	20,071
Inventory deposit, net	7,573	8,836
Other current assets	3,578	4,248
Deferred tax assets, net	5,395	5,376
Total current assets	117,720	125,988
Property and equipment, net	17,698	17,713
Intangible assets, net	66,763	70,284
Long-term deferred tax assets, net	10,781	11,161
Other assets	3,329	7,248
Total assets	216,291	232,394
Current liabilities:
Accounts payable	37,462	41,191
Accrued wages and bonuses	5,446	7,168
Deferred income	7,480	9,222
Convertible senior notes	0	16,919
Line of Credit Facility, Amount Outstanding	15,000	0
Other accrued liabilities	8,478	9,601
Total current liabilities	73,866	84,101
Long-term liabilities:
Convertible senior notes	18,000	18,000
Other long-term liabilities	4,314	4,851
Total long-term liabilities	22,314	22,851
Total liabilities	96,180	106,952
Shareholders' equity:
Common stock — no par value, 100,000 shares authorized; 28,173 and 27,949 shares issued and outstanding at June 30, 2012 and December 31, 2011	305,036	303,724
Accumulated deficit	(186,243)	(179,686)
Accumulated other comprehensive income:
Cumulative translation adjustments	1,975	2,169
Unrealized loss on hedge instruments	(657)	(765)
Total accumulated other comprehensive income	1,318	1,404
Total shareholders’ equity	120,111	125,442
Total liabilities and shareholders' equity	$ 216,291	$ 232,394