Business Combination (Schedule of Preliminary Allocation of Purchase Price) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Aug. 01, 2014 Treehouse
Business Acquisition [Line Items]
Accounts receivable			$ 40
Inventories			839
Prepaid expenses and other current assets			175
Property and equipment			58
Goodwill	1,953	0	1,953
Other intangible assets			1,303
Total assets acquired			4,368
Accounts payable			(702)
Deferred revenue			(297)
Accrued and other liabilities			(689)
Total liabilities assumed			(1,688)
Short-term contingent liabilities			(250)
Other long-term contingent liabilities			(1,009)
Cash paid at acquisition date			$ 1,421