Interim Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash flows from operating activities:
Net loss	$ (2,275)	$ (3,809)
Adjustments required to reconcile net loss to net cash provided by operating activities:
Depreciation	1,622	1,438
Amortization of intangible assets	1,298	578
Equity-based compensation	6,524	5,095
Realized loss, net on sale of available-for-sale marketable securities	15	35
Amortization of premiums on available-for-sale marketable securities	197	296
Unrealized foreign exchange (gain) loss	(158)	162
Changes in operating assets and liabilities:
Trade receivables	8,526	4,137
Prepaid expenses and other assets	3	(3,379)
Operating lease right-of-use assets	806	58
Accrued interest on bank deposits	102	(671)
Deferred tax, net	(2,518)	(734)
Trade payables	384	(246)
Deferred revenues	179	(1,198)
Accrued expenses and other payables	(213)	245
Accrued payroll and related benefits	(1,218)	(777)
Operating lease liability	(824)	(58)
Accrued severance pay, net	171	87
Net cash provided by operating activities	12,621	1,259
Cash flows from investing activities:
Acquisition of business	(204)	0
Purchase of property and equipment	(1,378)	(1,351)
Investment in bank deposits	(10,393)	(5,346)
Proceeds from bank deposits	12,393	9,110
Investment in available-for-sale marketable securities	(21,521)	(5,028)
Proceeds from maturity of available-for-sale marketable securities	10,636	3,508
Proceeds from sale of available-for-sale marketable securities	8,446	3,794
Net cash provided by (used in) investing activities	(2,021)	4,687
Cash flows from financing activities:
Purchase of treasury stock	(4,780)	(4,861)
Proceeds from exercise of stock-based awards	1,416	1,163
Net cash used in financing activities	(3,364)	(3,698)
Effect of exchange rate changes on cash and cash equivalents	(60)	19
Increase in cash and cash equivalents	7,176	2,267
Cash and cash equivalents at the beginning of the period	22,803	22,260
Cash and cash equivalents at the end of the period	29,979	24,527
Supplemental information of cash-flow activities:
Income and withholding taxes	2,848	2,776
Non-cash transactions:
Property and equipment purchases incurred but unpaid at period end	208	159
Right-of-use assets obtained in the exchange for operating lease liabilities	$ 198	$ 550