INTERIM CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities:
Net income	$ 1,985	$ 1,705
Adjustments required to reconcile net income to net cash provided by operating activities:
Depreciation	162	154
Equity-based compensation	1,513	1,318
Realized loss (gain), net on sale of available-for-sale marketable securities	1	(143)
Amortization of premiums on available-for-sale marketable securities	298	380
Accrued interest on bank deposits	116	(352)
Unrealized foreign exchange loss	1	43
Changes in operating assets and liabilities:
Decrease (increase) in trade receivables	2,564	(1,130)
Increase in prepaid expenses and other current assets	(1,455)	(1,293)
Decrease (increase) in deferred tax, net	108	(204)
Decrease in trade payables	(455)	(87)
Increase (decrease) in deferred revenues	177	(382)
Decrease in accrued expenses and other payables	(298)	(619)
Increase in accrued payroll and related benefits	166	1,033
Increase in income taxes payable	25	156
Excess tax benefit from equity-based compensation	(179)
Increase in accrued severance pay, net	70	91
Net cash provided by operating activities	4,799	670
Cash flows from investing activities:
Purchase of property and equipment	(77)	(298)
Investment in bank deposits	(21,389)	(21,000)
Proceeds from bank deposits	21,000	18,444
Investment in available-for-sale marketable securities	(10,084)	(20,430)
Proceeds from maturity of available-for-sale marketable securities	700	3,916
Proceeds from sale of available-for-sale marketable securities	12,205	11,822
Investments in other company		(300)
Net cash provided by (used in) investing activities	2,355	(7,846)
Cash flows from financing activities:
Purchase of Treasury Stock	(4,127)	(2,002)
Proceeds from exercise of stock-based awards	915	826
Excess tax benefit from equity-based compensation	179
Net cash used in financing activities	(3,033)	(1,176)
Effect of exchange rate movements on cash	(37)	(70)
Increase (decrease) in cash and cash equivalents	4,084	(8,422)
Cash and cash equivalents at the beginning of the period	24,117	18,422
Cash and cash equivalents at the end of the period	28,201	10,000
Cash paid during the period for:
Income and withholding taxes, net of refunds	$ 289	$ 417