CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
CURRENT ASSETS:
Cash and cash equivalents	$ 19,225	$ 21,684
Restricted deposit	87	121
Marketable securities and short-term deposits	17,727	20,201
Trade receivables	24,500	20,403
Deferred income taxes	104	101
Other accounts receivable and prepaid expenses	3,429	3,656
Inventories	14,081	12,916
TOTAL CURRENT ASSETS	79,153	79,082
PROPERTY AND EQUIPMENT, NET	3,508	3,706
LONG-TERM ASSETS:
Long-term marketable securities	82,872	78,333
Long-term prepaid expenses and lease deposits	189	208
Severance pay fund	10,117	10,197
Intangible assets, net	7,960	8,380
Goodwill	5,276	5,276
Assets, Noncurrent, Total	106,414	102,394
TOTAL ASSETS	189,075	185,182
CURRENT LIABILITIES:
Trade payables	14,999	14,027
Accrued compensation and benefits	7,515	7,545
Income tax accruals and payables	1,776	1,894
Accrued expenses and other accounts payable	6,280	6,514
Total current liabilities	30,570	29,980
LONG-TERM LIABILITIES:
Deferred income taxes	1,473	1,569
Accrued severance pay	10,357	10,436
Accrued pensions	949	970
Total long-term liabilities	12,779	12,975
COMMITMENTS AND CONTINGENCIES
Capital stock:
Preferred stock, $ 0.001 par value - Authorized shares: 5,000,000 at March 31, 2013 and December 31, 2012; Issued and outstanding shares: none at March 31, 2013 and December 31, 2012
Common stock, $ 0.001 par value - Authorized shares: 50,000,000 shares at March 31, 2013 and December 31, 2012; Issued and outstanding shares: 21,952,650 and 21,673,779 shares at March 31, 2013 and December 31, 2012, respectively	22	22
Additional paid-in capital	347,378	346,335
Treasury stock	(122,985)	(125,724)
Accumulated other comprehensive loss	1,190	988
Accumulated deficit	(79,879)	(79,394)
Total stockholders' equity	145,726	142,227
Total liabilities and stockholders' equity	$ 189,075	$ 185,182