Assets and Liabilities of Discontinued Operations (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Assets:
Cash	$ 16
Accounts receivable, net	787
Inventories	574
Other current assets	27
Property and equipment	13
Goodwill	1,310
Total assets of discontinued operations	2,727
Liabilities:
Accounts payable	418
Deferred revenue	966
Accrued Expenses and other liabilities	246
Total liabilities of discontinued operations	$ 1,630