CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 29,724	$ 45,388
Short term bank deposit	18,348	14,113
Accounts receivable, net of allowance for doubtful accounts of $10,751 and $10,734, respectively	22,077	27,218
Inventories, net	27,008	27,547
Deferred tax asset	12,955	13,041
Prepaid expenses and other current assets	12,833	12,597
Total current assets	122,945	139,904
Property and equipment, net	11,458	10,489
Patents and licensed technologies, net	10,389	10,832
Other intangible assets	9,421	9,701
Goodwill	25,067	24,930
Deferred tax asset	23,290	24,039
Funds in respect of employee rights upon retirement and other assets	1,078	1,034
Total assets	203,648	220,929
Current liabilities:
Current portion of notes payable	628	838
Short-term debt	5,000	10,000
Accounts payable	8,964	14,785
Accrued compensation and related expenses	2,592	3,230
Other accrued liabilities	15,662	22,032
Deferred revenues	5,696	5,961
Total current liabilities	38,542	56,846
Long-term liabilities:
Long-term note payable, net of current maturities	68	82
Deferred revenues	2,307	2,758
Other liabilities	253	61
Liability for employee rights upon retirement	863	821
Total liabilities	42,033	60,568
Commitment and Contingencies (Note 11)
Stockholders' equity:
Preferred Stock, $.01 par value, 5,000,000 shares authorized; 0 shares issued and outstanding at March 31, 2014 and December 31, 2013	0	0
Common stock, $.01 par value, 50,000,000 shares authorized; 18,903,425 shares issued and outstanding at March 31, 2014 and December 31, 2013, respectively	189	189
Additional paid-in capital	106,216	104,954
Retained earnings	53,334	53,679
Accumulated other comprehensive income	1,876	1,539
Total stockholders' equity	161,615	160,361
Total liabilities and stockholders' equity	$ 203,648	$ 220,929