Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
CURRENT ASSETS:
Cash and cash equivalents	$ 12,146	$ 21,324
Restricted deposits	493	524
Marketable securities and short-term deposits (Note 3)	35,713	24,697
Trade receivables	13,475	13,416
Other accounts receivable and prepaid expenses (Note 4)	3,670	3,167
Inventories (Note 5)	9,819	9,422
Total current assets	75,316	72,550
PROPERTY AND EQUIPMENT, NET (Note 6)	2,748	3,184
NON-CURRENT ASSETS:
Long-term marketable securities and long-term deposits (Note 3)	75,538	82,669
Long-term prepaid expenses and lease deposits	1,229	1,541
Deferred income taxes (Note 14)	3,580	1,043
Severance pay fund	14,158	15,190
Intangible assets, net (Note 7)	1,078	2,779
Goodwill	6,243	6,243
Total non-current assets	101,826	109,465
Total assets	179,890	185,199
CURRENT LIABILITIES:
Trade payables	9,579	8,660
Accrued compensation and benefits	8,255	8,699
Income tax accruals and payables	1,404	1,232
Accrued expenses and other accounts payable (Note 9)	3,461	2,888
Total current liabilities	22,699	21,479
NON-CURRENT LIABILITIES:
Deferred income taxes, net (Note 14)	151	424
Accrued severance pay	14,348	15,463
Accrued pensions (Note 10)	827	883
Total non-current liabilities	15,326	16,770
COMMITMENTS AND CONTINGENCIES (Note 13)
STOCKHOLDERS’ EQUITY (Note 12):
Common stock, $0.001 par value - Authorized: 50,000,000 shares at December 31, 2018 and 2017; Issued and outstanding: 22,265,971 and 22,432,660 shares at December 31, 2018 and 2017, respectively	22	22
Additional paid-in capital	378,855	372,041
Treasury stock at cost	(122,325)	(118,397)
Accumulated other comprehensive loss	(2,324)	(1,874)
Accumulated deficit	(112,363)	(104,842)
Total stockholders’ equity	141,865	146,950
Total liabilities and stockholders’ equity	$ 179,890	$ 185,199