CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
CURRENT ASSETS:
Cash and cash equivalents	$ 92,928	$ 63,394
Short-term marketable securities	109,179	31,766
Accounts receivable, net of allowances of $120 and $247 in 2013 and 2012, respectively (Note 2)	12,389	7,326
Inventories	42,235	44,625
Deferred tax assets	2,059	352
Prepaid expenses and other current assets	18,632	17,401
Total current assets	277,422	164,864
PROPERTY AND EQUIPMENT, net	90,141	89,724
INTANGIBLE ASSETS, net	40,334	47,738
GOODWILL	80,599	80,599
DEFERRED TAX ASSETS	9,449	11,532
OTHER ASSETS	3,476	4,673
Total assets	501,421	399,130
CURRENT LIABILITIES:
Accounts payable	20,772	16,452
Accrued payroll and related expenses	8,900	6,720
Taxes payable	2,266	1,213
Deferred tax liabilities	943	1,193
Deferred income on sales to distributors	15,727	11,550
Other accrued liabilities	1,810	3,439
Total current liabilities	50,418	40,567
LONG-TERM INCOME TAXES PAYABLE	6,885	7,937
DEFERRED TAX LIABILITIES	5,273	8,179
OTHER LIABILITIES	2,159	1,398
Total liabilities	64,735	58,081
COMMITMENTS AND CONTINGENCIES (Notes 8, 9 and 10)
STOCKHOLDERS’ EQUITY:
Common stock, $0.001 par value Authorized - 140,000,000 shares Outstanding - 30,021,943 and 28,536,182 shares in 2013 and 2012, respectively	30	28
Additional paid-in capital	223,660	175,668
Accumulated other comprehensive loss	(470)	(293)
Retained earnings	213,466	165,646
Total stockholders’ equity	436,686	341,049
Total liabilities and stockholders’ equity	$ 501,421	$ 399,130