Assets Held For Sale	9 Months Ended
Sep. 30, 2011
Assets Held For Sale [Abstract]
Assets Held For Sale	4. Assets Held For Sale We had assets held for sale of $53,000 and $462,000 at September 30, 2011 and December 31, 2010, respectively, comprised of lasers and other equipment from closed vision centers. We include assets held for sale in the caption "Prepaid expenses and other" on the Condensed Consolidated Balance Sheets. During the nine months ended September 30, 2011, we were able to sell some of our assets held for sale with a combined net book value of $409,000 for total cash proceeds of approximately $774,000 resulting in a gain of approximately $365,000, before tax. During the nine months ended September 30, 2010, we sold some of our assets held for sale with a combined net book value of $651,000 for total cash proceeds of approximately $1.2 million and notes receivable of $835,000, resulting in a gain of approximately $1.4 million, before tax.

Tabular disclosure of long lived assets held for sale. Disclosure may include the description of the facts and circumstances leading to the expected disposal, manner and timing of disposal, the carrying value of the assets held for sale, the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 144

-Paragraph 33, 47

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

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