Discontinued Operations (Details) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	Jan. 31, 2015
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Estimated loss on sale from discontinued operations	$ (41,000)	$ 0
Loss from discontinued operations	(1,667,000)	0
Stock based compensation expense of discontinued operations	2,363,000
LCA Vision Inc [Member]
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Percentage of shares acquired by wholly-owned subsidiary (in hundredths)	100.00%
Amount received after sale of business	40,000,000
Net proceeds, loss on the sale of discontinued operations				37,700,000
Estimated loss on sale from discontinued operations			44,598,000
Decrease in the implied fair value of goodwill	41,000,000		43,091,000
Revenues at discontinued operations	9,158,000
Loss from discontinued operations	1,667,000
Stock based compensation expense of discontinued operations	2,363,000
Disposal Group, Including Discontinued Operation, Assets [Abstract]
Cash and cash equivalents			4,514,000
Accounts receivable			2,759,000
Inventories			119,000
Deferred tax assets			1,930,000
Other current assets			2,492,000
Property & Equipment, net			14,519,000
Goodwill, net			6,491,000
Other intangible assets, net			38,331,000
Other assets			1,207,000
Assets held for sale			72,362,000
Less: Impairment			(1,507,000)
Assets held for sale, net			70,855,000
Disposal Group, Including Discontinued Operation, Liabilities [Abstract]
Accounts payable			5,518,000
Other accrued liabilities			5,933,000
Deferred revenues			97,000
Long term debt			1,080,000
Other liabilities			6,870,000
Deferred tax liability			14,999,000
Liabilities held for sale			34,497,000
Total net assets of discontinued operations			$ 36,358,000