Nature Of Business And Summary Of Significant Accounting Policies Narrative (Details) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Foreign Currency Transaction Gain (Loss), before Tax		$ (131,000)	$ (201,000)	$ (40,000)
Inventory, Net	$ 250,000	$ 250,000	168,000
Property, Plant and Equipment | Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Property and equipment estimated useful lives		1 year
Property, Plant and Equipment | Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Property and equipment estimated useful lives		7 years
BriefCam Ltd.
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Investment carrying value	$ 3,100,000	$ 3,100,000
BriefCam Ltd. | Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Minority ownership interest (as a percent)	20.00%	20.00%
Prepaid Expenses and Other Current Assets [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Deferred commission costs recorded	$ 954,000	$ 954,000	$ 418,000
Other Noncurrent Assets [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Deferred commission costs recorded	104,000	104,000
General and Administrative Expense [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Loss on third party license agreement	1,200,000
Write-off of prepaid royalty	606,000
Accrued minimum royalty payments	$ 606,000	$ 606,000