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INTERIM CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified | 9 Months Ended
--- | ---
Sep. 30, 2013 | Sep. 30, 2012
Cash flows from operating activities: |  |
Net income | $ 3,557 | $ 10,930
Adjustments required to reconcile net income to net cash provided by operating activities: |  |
Depreciation | 495 | 387
Equity-based compensation | 4,424 | 3,688
Realized gain, net on sale of available-for-sale marketable securities | (301) | (91)
Amortization of premiums on available-for-sale marketable securities | 1,171 | 946
Accrued interest on bank deposits | (994) | (1,402)
Unrealized foreign exchange loss (gain) | 16 | (56)
Changes in operating assets and liabilities: |  |
Increase in trade receivables | (2,902) | (899)
Decrease (increase) in prepaid expenses and other current assets | (231) | 669
Increase in deferred taxes, net | (713) | (549)
Increase (decrease) in trade payables | (506) | 448
Decrease in deferred revenues | (352) | (207)
Decrease in accrued expenses and other payables | (790) | (370)
Decrease in accrued payroll and related benefits | (437) | (1,197)
Increase in income taxes payable | 237 | 1,165
Excess tax benefit from equity-based compensation |  | (710)
Increase (decrease) in accrued severance pay, net | 62 | (65)
Net cash provided by operating activities | 2,736 | 12,687
Cash flows from investing activities: |  |
Purchase of property and equipment | (826) | (344)
Investment in bank deposits | (31,000) | (34,604)
Proceeds from bank deposits | 40,575 | 34,353
Investment in available-for-sale marketable securities | (59,127) | (32,867)
Proceeds from maturity of available-for-sale marketable securities | 7,758 | 12,330
Proceeds from sale of available-for-sale marketable securities | 38,867 | 38,159
Investment in other company | (934) | (1,533)
Net cash provided by (used in) investing activities | (4,687) | 15,494
Cash flows from financing activities: |  |
Purchase of Treasury Stock | (7,189) | (23,652)
Proceeds from exercise of stock-based awards | 2,385 | 1,526
Excess tax benefit from equity-based compensation |  | 710
Net cash used in financing activities | (4,804) | (21,416)
Effect of exchange rate movements on cash | (60) | (39)
Increase (decrease) in cash and cash equivalents | (6,815) | 6,726
Cash and cash equivalents at the beginning of the period | 18,422 | 14,954
Cash and cash equivalents at the end of the period | 11,607 | 21,680
Supplemental information of cash-flows activities: |  |
Income and withholding taxes, net of refunds | $ 789 | $ 345

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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash inflow associated with the sale or maturity (principal being due) of securities not classified as either held-to-maturity securities or trading securities which are classified as available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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- Definition The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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