Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
CURRENT ASSETS:
Cash and cash equivalents	$ 16,648	$ 28,737
Restricted deposit	517	518
Marketable securities and short-term deposits	47,415	39,141
Trade receivables	11,602	15,382
Other accounts receivable and prepaid expenses	5,086	3,551
Inventories	8,190	7,464
TOTAL CURRENT ASSETS	89,458	94,793
PROPERTY AND EQUIPMENT, NET	6,735	6,805
NON-CURRENT ASSETS:
Long-term marketable securities	55,555	62,884
Operating lease right of use	11,268	11,655
Long-term prepaid expenses	2,130	707
Deferred income taxes	6,963	6,377
Severance pay fund	15,743	15,800
Intangible assets, net	7,961	661
Goodwill	13,069	6,243
TOTAL NON-CURRENT ASSETS	112,689	104,327
TOTAL ASSETS	208,882	205,925
CURRENT LIABILITIES:
Trade payables	7,842	8,511
Accrued compensation and benefits	7,427	8,781
Income tax accruals and payables	3,653	3,061
Operating lease liability	2,651	2,569
Short-term bank loans	192	0
Accrued expenses and other accounts payable	2,800	2,317
TOTAL CURRENT LIABILITIES	24,565	25,239
NON-CURRENT LIABILITIES:
Deferred income taxes	1,138	119
Accrued severance pay	16,110	16,074
Total long-term lease liabilities	9,888	10,436
Accrued pensions	1,021	963
Other long - term liabilities	1,945	0
TOTAL NON-CURRENT LIABILITIES	30,102	27,592
STOCKHOLDERS’ EQUITY:
Capital stock: Common stock, $ 0.001 par value - Authorized shares: 50,000,000 shares at June 30, 2020 and December 31, 2019;	24	23
Additional paid-in capital	393,168	386,534
Treasury stock at cost	(109,670)	(113,862)
Accumulated other comprehensive loss	(688)	(889)
Accumulated deficit	(128,619)	(118,712)
TOTAL STOCKHOLDERS’ EQUITY	154,215	153,094
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 208,882	$ 205,925