Interim Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 14,851	$ 22,260
Short term bank deposits	56,991	46,139
Marketable securities	70,462	77,469
Trade receivables	26,813	26,156
Prepaid expenses and other current assets	5,682	5,264
Total current assets	174,799	177,288
Long-term assets:
Bank deposits	5,330	21,864
Severance pay fund	9,732	9,026
Deferred tax assets, net	10,891	5,924
Property and equipment, net	7,891	7,344
Operating lease right-of-use assets	10,688
Goodwill	51,070	46,612
Intangible assets, net	17,353	2,700
Investments in other company	936	936
Other long-term assets	5,235	5,569
Total long-term assets	119,126	99,975
Total assets	293,925	277,263
Current liabilities:
Trade payables	1,319	632
Deferred revenues	4,766	3,593
Accrued expenses and other payables	4,003	4,344
Accrued payroll and related benefits	13,164	13,183
Operating lease liabilities	2,442
Total current liabilities	25,694	21,752
Long-term liabilities:
Accrued severance pay	10,447	9,632
Operating lease liabilities	7,879
Other accrued liabilities	545
Total long-term liabilities	18,871	9,632
Stockholders’ equity:
Preferred stock: $0.001 par value: 5,000,000 shares authorized; none issued and outstanding
Common stock: $0.001 par value: 60,000,000 shares authorized; 23,595,160 shares issued at June 30, 2019 (unaudited) and December 31, 2018. 21,893,128 and 21,787,860 shares outstanding at June 30, 2019 (unaudited) and December 31, 2018, respectively	22	22
Additional paid in-capital	225,483	223,250
Treasury stock at cost (1,610,982 and 1,807,300 shares of common stock at September 30, 2019 (unaudited) and December 31, 2018, respectively)	(35,492)	(39,132)
Accumulated other comprehensive loss	(22)	(1,114)
Retained earnings	59,369	62,853
Total stockholders’ equity	249,360	245,879
Total liabilities and stockholders’ equity	$ 293,925	$ 277,263