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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified | 6 Months Ended
--- | ---
Jun. 30, 2014 | Jun. 30, 2013
Cash flows from operating activities: |  |
Net income | $ 13,983 | $ 9,401
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 9,391 | 9,244
Loss on disposal of fixed assets | 202 | 141
Impairment of software development costs | 0 | 1,759
Provision for receivable allowance | 436 | 63
Share-based compensation expense | 5,449 | 5,613
Income tax benefits from employee stock plans | 3,058 | 739
Excess tax benefits from employee stock plans | (3,326) | (1,258)
Provision for excess and obsolete inventories | 250 | 742
Deferred income taxes | 860 | (258)
Changes in operating assets and liabilities: |  |
Accounts receivable, net | (24,408) | (8,757)
Inventories | (335) | (199)
Prepaid expenses | 2,144 | (536)
Other current assets | 1,602 | 94
Non-current net investment in sales-type leases | 622 | 160
Other assets | 228 | (129)
Accounts payable | 2,494 | (796)
Accrued compensation | (3,910) | (374)
Accrued liabilities | 2,424 | 2,065
Deferred service revenue | 2,640 | (1,294)
Deferred gross profit | 10,788 | 4,578
Other long-term liabilities | 829 | 230
Net cash provided by operating activities | 25,421 | 21,228
Cash flows from investing activities: |  |
Acquisition of intangible assets and intellectual property | (191) | (64)
Software development for external use | (5,507) | (3,194)
Purchases of property and equipment | (7,335) | (5,711)
Net cash used in investing activities | (13,033) | (8,969)
Cash flows from financing activities: |  |
Proceeds from issuances under stock-based compensation plans | 11,813 | 11,549
Employees' taxes paid related to restricted stock units | (1,729) | 0
Common stock repurchases | (4,069) | 0
Excess tax benefits from employee stock plans | 3,326 | 1,258
Net cash provided by financing activities | 9,341 | 12,807
Effect of exchange rate changes on cash and cash equivalents | 119 | (45)
Net increase in cash and cash equivalents | 21,848 | 25,021
Cash and cash equivalents at beginning of period | 104,531 | 62,313
Cash and cash equivalents at end of period | $ 126,379 | $ 87,334

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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 total cash inflow associated with the amount received from holders to acquire the entity's shares under incentive and share awards, including stock option exercises. 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 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 Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.5) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 5 -Article 5 + 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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