Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 33,153	$ 21,143
Short-term bank deposits	31,410	20,233
Marketable securities	90,298	88,754
Trade receivables (net of allowance for credit losses of $300 and $288 at December 31, 2020 and December 31, 2021, respectively)	27,449	31,224
Prepaid expenses and other current assets	6,670	6,205
Total current assets	188,980	167,559
Long-term assets:
Bank deposits	0	29,529
Severance pay fund	10,175	10,535
Deferred tax assets, net	15,850	10,826
Property and equipment, net	6,765	7,586
Operating lease right-of-use assets	8,827	9,052
Goodwill	74,777	51,070
Intangible assets, net	14,607	10,836
Investments in marketable equity securities	2,919	936
Other long-term assets	5,759	9,023
Total long-term assets	139,679	139,393
Total assets	328,659	306,952
Current liabilities:
Trade payables	1,464	894
Deferred revenues	8,661	2,434
Accrued expenses and other payables	4,030	3,843
Accrued payroll and related benefits	18,011	18,040
Operating lease liabilities	3,274	2,969
Total current liabilities	35,440	28,180
Long-term liabilities:
Accrued severance pay	10,551	11,226
Operating lease liabilities	5,130	5,772
Other accrued liabilities	806	885
Total long-term liabilities	16,487	17,883
Stockholders’ equity:
Preferred stock:$0.001 par value: 5,000,000 shares authorized; none issued and outstanding	0	0
Common Stock: $0.001 par value: 45,000,000 shares authorized; 23,595,160 shares issued at December 31, 2020 and 2021; 22,260,917 and 22,984,552 shares outstanding at December 31, 2020 and 2021, respectively	23	22
Additional paid in-capital	235,386	233,172
Treasury stock at cost (1,334,243 and 610,608 shares of common stock at December 31, 2020 and 2021, respectively)	(13,790)	(30,133)
Accumulated other comprehensive income (loss)	(372)	478
Retained earnings	55,485	57,350
Total stockholders’ equity	276,732	260,889
Total liabilities and stockholders’ equity	$ 328,659	$ 306,952