CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 107,593	$ 79,923
Short-term investments	30,000	0
Accounts receivable, net	47,849	46,896
Inventories, net—short-term portion	53,391	50,676
Deferred tax assets—short-term portion	3,709	3,778
Prepaid expenses and other current assets	8,580	9,197
Total current assets	251,122	190,470
Property and equipment, net	21,365	18,087
Inventories, net—long-term portion	4,816	5,956
Goodwill	155,515	156,178
Intangible assets, net	106,374	106,183
Deferred tax assets—long-term portion	306	303
Other long-term assets	7,802	9,371
Total assets	547,300	486,548
Current liabilities:
Accounts payable and accrued liabilities	59,392	53,063
Current portion of long-term debt	4,000	4,000
Deferred revenue—short-term portion	7,534	9,210
Total current liabilities	70,926	66,273
Deferred revenue—long-term portion	2,236	2,372
Convertible notes	105,000	105,000
Term loan—long-term portion	15,950	18,950
Other long-term liabilities	20,694	21,626
Total liabilities	214,806	214,221
Stockholders’ equity:
Common stock	799	743
Additional paid-in capital	843,120	781,747
Accumulated other comprehensive loss	(7,930)	(612)
Accumulated deficit	(503,495)	(509,551)
Total stockholders’ equity	332,494	272,327
Total liabilities and stockholders’ equity	$ 547,300	$ 486,548