CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Current assets:    
Cash and cash equivalents $ 104,009 $ 79,923
Accounts receivable, net 48,526 46,896
Inventories, net—short-term portion 50,701 50,676
Deferred tax assets—short-term portion 3,781 3,778
Prepaid expenses and other current assets 11,969 9,197
Total current assets 218,986 190,470
Property and equipment, net 18,576 18,087
Inventories, net—long-term portion 4,809 5,956
Goodwill 151,789 156,178
Intangible assets, net 99,479 106,183
Deferred tax assets—long-term portion 308 303
Other long-term assets 9,343 9,371
Total assets 503,290 486,548
Current liabilities:    
Accounts payable and accrued liabilities 43,110 53,063
Current portion of long-term debt 4,000 4,000
Deferred revenue—short-term portion 8,748 9,210
Total current liabilities 55,858 66,273
Deferred revenue—long-term portion 2,515 2,372
Convertible notes 105,000 105,000
Term loan—long-term portion 17,950 18,950
Other long-term liabilities 20,643 21,626
Total liabilities 201,966 214,221
Stockholders’ equity:    
Common stock 773 743
Additional paid-in capital 812,438 781,747
Accumulated other comprehensive loss (6,722) (612)
Accumulated deficit (505,165) (509,551)
Total stockholders’ equity 301,324 272,327
Total liabilities and stockholders’ equity $ 503,290 $ 486,548