Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 42,264	$ 25,482
Accounts receivable, net	37,547	41,359
Other receivables	4,347	2,634
Inventories, net	23,891	25,409
Other current assets	6,677	4,688
Deferred tax assets, net	1,173	1,121
Total current assets	115,899	100,693
Property and equipment, net	13,474	14,854
Intangible assets, net	53,159	56,510
Long-term deferred tax assets, net	2,526	2,686
Other assets	1,423	1,442
Total assets	186,481	176,185
Current liabilities:
Accounts payable	32,245	35,081
Accrued wages and bonuses	4,326	5,547
Deferred Revenue	10,958	8,167
Convertible senior notes	18,000	0
Line of Credit Facility, Amount Outstanding	15,000	15,000
Other accrued liabilities	9,412	9,978
Total current liabilities	89,941	73,773
Long-term liabilities:
Convertible senior notes	0	18,000
Other long-term liabilities	3,416	3,276
Total long-term liabilities	3,416	21,276
Total liabilities	93,357	95,049
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	331,151	309,370
Accumulated deficit	(239,524)	(229,090)
Accumulated other comprehensive income:
Cumulative translation adjustments	1,857	1,731
Unrealized loss on hedge instruments	(360)	(875)
Total accumulated other comprehensive income	1,497	856
Total shareholders’ equity	93,124	81,136
Total liabilities and shareholders' equity	$ 186,481	$ 176,185