Acquisition of MSKK - Fair Values of Assets Acquired and Liabilities Assumed (Detail) (Mediasite KK [Member], USD $) In Thousands, unless otherwise specified	0 Months Ended
	Jan. 14, 2014	Jan. 14, 2014
Mediasite KK [Member]
Assets acquired:
Cash	$ 3,163	$ 3,163
Other current assets	1,792	1,792
Property and equipment	240	240
Customer relationships	2,071	2,071
Goodwill	2,906
Total assets acquired	10,172	10,172
Liabilities assumed:
Current liabilities	(1,590)	(1,590)
Deferred tax liability	(808)	(808)
Total liabilities assumed	(2,398)	(2,398)
Less ownership basis of original 26% investment	(2,053)	(2,053)
Total purchase price	$ 5,721	$ 5,721