Related Party Transactions - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Sep. 30, 2013
Related Party Transaction [Line Items]
Company incurred fees to law firm	$ 90	$ 47
Accrued liabilities for unbilled services	30		14
Outstanding loan amount	26		26
Mediasite KK [Member]
Related Party Transaction [Line Items]
Revenue from Mediasite product and customer support	273	230
Amount of equity interest owed	$ 307		$ 280

Amounts due from owners or affiliates of the reporting entity related to issuance of the entity's capital stock before cash payment is received (does not include amounts due from officers or directors). This element would also include the receivable for proceeds from the issuance of shares under employee stock option exercises which proceeds have not been received as of the reporting date due to the timing of the transaction date versus the settlement date.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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