Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 43,841	$ 47,770
Accounts receivable, net	47,272	49,212
Other receivables	3,052	4,036
Inventories, net	22,058	27,011
Inventory deposit, net	8,091	8,443
Other current assets	5,159	5,080
Deferred tax assets, net	5,476	5,507
Total current assets	134,949	147,059
Property and equipment, net	16,312	15,366
Goodwill	29,748	29,748
Intangible assets, net	81,297	85,043
Long-term deferred tax assets, net	12,260	12,266
Other assets	7,576	7,791
Total assets	282,142	297,273
Current liabilities:
Accounts payable	36,081	37,874
Accrued wages and bonuses	7,175	10,808
Deferred income	8,238	11,602
2013 convertible senior notes	45,000	0
Other accrued liabilities	12,597	16,195
Total current liabilities	109,091	76,479
Long-term liabilities:
2013 convertible senior notes	0	45,000
Other long-term liabilities	9,390	9,061
Total long-term liabilities	9,390	54,061
Total liabilities	118,481	130,540
Commitments and contingencies (Note 9)
Shareholders' equity:
Common stock — no par value, 100,000 shares authorized; 28,049 and 27,949 shares issued and outstanding at March 31, 2012 and December 31, 2011	302,575	301,225
Accumulated deficit	(141,027)	(136,212)
Accumulated other comprehensive income:
Cumulative translation adjustments	2,714	2,494
Unrealized loss on hedge instruments	(601)	(774)
Total accumulated other comprehensive income	2,113	1,720
Total shareholders’ equity	163,661	166,733
Total liabilities and shareholders' equity	$ 282,142	$ 297,273