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Acquisition (Details) - Etherios, Inc - USD ($) $ / shares in Units, $ in Thousands |  | 12 Months Ended
--- | --- | ---
Oct. 31, 2012 | Sep. 30, 2013
Business Acquisition [Line Items] |  |
Total purchase price | $ 20,400 |
Cash, including cash in escrow | 13,700 |
Cash acquired | 800 |
Common stock | 6,700 |
Amount in escrow | 2,350 |
Escrow holdback | 300 |
Escrow cash | $ 2,050 |
Purchase accounting adjustment decrease |  | $ 100
Net Tangible Assets purchase accounting adjustment decrease |  | 300
Goodwill, Purchase Accounting Adjustments |  | 200
Goodwill |  | 17,300
Acquisition related costs |  | $ 200
Maximum |  |
Business Acquisition [Line Items] |  |
Escrow cash period | 18 months |
Common Stock |  |
Business Acquisition [Line Items] |  |
Number of shares | 715,571 |
Common stock issued per common share | $ 9.42 |

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- Definition Number of shares of equity interests issued or issuable to acquire entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(4) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e1043-128460 + Details
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