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Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Jan. 31, 2014 | Jan. 31, 2013
Cash flows from operating activities: |  |
Net loss | $ (10,815) | $ (11,879)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Share-based compensation | 621 | 509
Income from equity investment | 0 | (46)
Gain (loss) from change in fair value of embedded derivatives | 225 | (3)
Make whole derivative expense | 2,422 | 0
Depreciation | 1,068 | 1,012
Interest expense on preferred stock obligation | 492 | 511
Other non-cash transactions, net | (696) | 207
Decrease (increase) in operating assets: |  |
Accounts receivable | 15,227 | 17,020
Inventories | 4,333 | 3,236
Other assets | 2,530 | (739)
Increase (decrease) in operating liabilities: |  |
Accounts payable | (6,138) | (5,345)
Accrued liabilities | (11,151) | (1,026)
Deferred revenue | (2,742) | 27,434
Net cash (used in) provided by operating activities | (5,074) | 30,897
Cash flows from investing activities: |  |
Capital expenditures | (790) | (1,397)
Cash acquired from acquisition | 0 | 357
Net cash used in investing activities | (790) | (1,040)
Cash flows from financing activities: |  |
Repayment of debt | (95) | (63)
Proceeds from debt | 250 | 0
Increase in restricted cash and cash equivalents | (16,141) | (5,000)
Payment of preferred dividends and return of capital | (1,113) | (1,113)
Proceeds from sale of common stock, net of registration fees | 33,755 | 0
Net cash provided by (used in) financing activities | 16,656 | (6,176)
Effects on cash from changes in foreign currency rates | (20) | 76
Net increase in cash and cash equivalents | 10,772 | 23,757
Cash and cash equivalents-beginning of period | 67,696 | 46,879
Cash and cash equivalents-end of period | 78,468 | 70,636
Supplemental cash flow disclosures: |  |
Cash interest paid | 1,535 | 55
Noncash financing and investing activity: |  |
Common stock issued for Employee Stock Purchase Plan in settlement of prior year accrued employee contributions | 106 | 85
Stock Issued During Period, Value, Conversion of Convertible Securities | 12,960 | 0
Common stock issued for acquisition | 0 | 3,562
Debt Conversion and Make Whole Obligation [Member] |  |
Noncash financing and investing activity: |  |
Stock Issued During Period, Value, Conversion of Convertible Securities | $ 17,200 |

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- Definition Value of stock issued pursuant to acquisitions during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 + Details
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- Definition The gross value of stock issued during the period upon the conversion of convertible securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 + Details
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