Summary Of Significant Accounting Policies (Components of Property and Equipment) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Propertyand equipment, gross	$ 21,706,000	$ 18,804,000
Less accumulated depreciation	(14,141,000)	(11,657,000)
Property and equipment, net	7,565,000	7,147,000
Depreciation	3,100,000	2,500,000	2,200,000
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Propertyand equipment, gross	16,628,000	14,810,000
Furniture, fixtures, and computer software [Member]
Property, Plant and Equipment [Line Items]
Propertyand equipment, gross	1,669,000	1,159,000
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Propertyand equipment, gross	2,578,000	1,926,000
Construction in progress [Member]
Property, Plant and Equipment [Line Items]
Propertyand equipment, gross	$ 831,000	$ 909,000
Minimum [Member]
Property, Plant and Equipment [Line Items]
Useful life	3 years
Maximum [Member]
Property, Plant and Equipment [Line Items]
Useful life	5 years