Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations.

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Cost incurred during the reporting period in transporting goods and services to customers. Includes freight-out costs.

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Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, charged to costs and expenses.

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Basis Of Presentation And Significant Accounting Policies (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Reserve for excess and obsolete inventory recorded	$ 1,200,000
Restricted cash	477,000	244,000
Shipping and handling costs	500,000	200,000	200,000
Advertising costs	$ 200,000us-gaap_AdvertisingExpense	$ 300,000us-gaap_AdvertisingExpense	$ 500,000us-gaap_AdvertisingExpense
Machinery and Equipment
Property, Plant and Equipment [Line Items]
Estimated useful lives of the long-lived assets	6 years
Computer hardware and software
Property, Plant and Equipment [Line Items]
Estimated useful lives of the long-lived assets	3 years
Leasehold Improvements
Property, Plant and Equipment [Line Items]
Estimated useful lives of the long-lived assets	5 years
Customer Relationships
Property, Plant and Equipment [Line Items]
Weighted average useful life	8 years 7 months 6 days	5 years 3 months 18 days
Trademarks
Property, Plant and Equipment [Line Items]
Weighted average useful life	9 years
Patents
Property, Plant and Equipment [Line Items]
Weighted average useful life	13 years 2 months 12 days	12 years 7 months 6 days
Noncompete Agreements
Property, Plant and Equipment [Line Items]
Weighted average useful life	5 years
Minimum [Member] \| Customer Relationships
Property, Plant and Equipment [Line Items]
Weighted average useful life	5 years
Minimum [Member] \| Trademarks
Property, Plant and Equipment [Line Items]
Weighted average useful life	9 years
Minimum [Member] \| Patents
Property, Plant and Equipment [Line Items]
Weighted average useful life	8 years
Minimum [Member] \| Noncompete Agreements
Property, Plant and Equipment [Line Items]
Weighted average useful life	5 years
Maximum [Member] \| Customer Relationships
Property, Plant and Equipment [Line Items]
Weighted average useful life	9 years
Maximum [Member] \| Patents
Property, Plant and Equipment [Line Items]
Weighted average useful life	15 years
Emory Healthcare [Member] \| Customer Concentration Risk [Member]
Property, Plant and Equipment [Line Items]
Concentration Risk, Percentage	10.90%
Diagnostic Services [Member] \| Emory Healthcare [Member] \| Customer Concentration Risk [Member]
Property, Plant and Equipment [Line Items]
Concentration Risk, Percentage	14.30%