Consolidated Balance Sheets - USD ($)	Dec. 31, 2019	Dec. 31, 2018
CURRENT ASSETS:
Cash and cash equivalent	$ 28,737,000	$ 12,146,000
Restricted deposits	518,000	493,000
Marketable securities and short-term deposits (Note 3)	39,141,000	35,713,000
Trade receivables	15,382,000	13,475,000
Other accounts receivable and prepaid expenses (Note 5)	3,551,000	3,670,000
Inventories (Note 6)	7,464,000	9,819,000
Total current assets	94,793,000	75,316,000
PROPERTY AND EQUIPMENT, NET (Note 7)	6,805,000	2,748,000
NON-CURRENT ASSETS:
Long-term marketable securities and long-term deposits (Note 3)	62,884,000	75,538,000
Long-term prepaid expenses and lease deposits	707,000	1,229,000
Deferred income taxes (Note 15)	6,377,000	3,580,000
Severance pay fund	15,800,000	14,158,000
Operating leases: right-of-use assets (Note 4)	11,655,000
Intangible assets, net (Note 8)	661,000	1,078,000
Goodwill	6,243,000	6,243,000
Total non-current assets	104,327,000	101,826,000
Total assets	205,925,000	179,890,000
CURRENT LIABILITIES:
Trade payables	8,511,000	9,579,000
Operating lease liability (Note 4)	2,569,000
Accrued compensation and benefits	8,781,000	8,255,000
Income tax accruals and payables	3,061,000	1,404,000
Accrued expenses and other accounts payable (Note 10)	2,317,000	3,461,000
Total current liabilities	25,239,000	22,699,000
NON-CURRENT LIABILITIES:
Deferred income taxes, net (Note 15)	119,000	151,000
Accrued severance pay	16,074,000	14,348,000
Operating lease liability (Note 4)	10,436,000
Accrued pensions (Note 11)	963,000	827,000
Total non-current liabilities	27,592,000	15,326,000
COMMITMENTS AND CONTINGENCIES (Note 14)
STOCKHOLDERS’ EQUITY (Note 13):
Common stock, $0.001 par value - Authorized: 50,000,000 shares at December 31, 2019 and 2018; Issued and outstanding: 23,110,631 and 22,265,971 shares at December 31, 2019 and 2018, respectively	23,000	22,000
Additional paid-in capital	386,534,000	378,855,000
Treasury stock at cost	(113,862,000)	(122,325,000)
Accumulated other comprehensive loss	(889,000)	(2,324,000)
Accumulated deficit	(118,712,000)	(112,363,000)
Total stockholders’ equity	153,094,000	141,865,000
Total liabilities and stockholders’ equity	$ 205,925,000	$ 179,890,000