The Company and Summary of Significant Accounting Policies (Details) (USD $)	3 Months Ended														12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014		Jun. 30, 2014		Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2014 Channel	Dec. 31, 2013	Dec. 31, 2012	Jan. 31, 2015
Business Acquisition [Line Items]
Effective date of merger															Dec. 13, 2011
Business sale anticipated															12 months
Minimum Collection Period Of Patient Receivables															12 months
Maximum Collection Period Of Patient Receivables															36 months
Patient Receivables, Finance and interest charges															$ 507
Insurance Reserves	6,044														6,044
Cash and Cash Equivalents [Abstract]
Short term investment maturity period															3 months	3 months
Accounts Receivable [Abstract]
Accounts receivable minimum maturity period															30 days
Accounts Receivable maximum maturity period															90 days
Property and Equipment [Abstract]
Estimated useful life															5 years
Other Intangible Assets [Abstract]
Other intangible assets useful lives															10 years
Activity in warranty accrual [Roll Forward]
Accrual at beginning of year						1,151,000				1,440,000					1,151,000	1,440,000
Additions charged to warranty expense															808,000	1,206,000
Expiring warranties															(341,000)	(410,000)
Claims satisfied															(857,000)	(1,085,000)
Total	761,000						1,151,000				1,440,000				761,000	1,151,000	1,440,000
Less: current portion	(665,000)						(1,094,000)								(665,000)	(1,094,000)
Long term accrued warranty	96,000						57,000								96,000	57,000
Revenue Recognition [Abstract]
Number of distribution channels															2
Period of sales deferred															14 days
Advertising Costs [Abstract]
Advertising expenses															62,197,000	71,992,000	60,651,000
Derivatives [Abstract]
Balance of derivative instruments	726,000						255,000								726,000	255,000
Amount recognized as financing income															689,000	699,000
Notional amounts of foreign currency derivatives	11,000,000						6,725,000								11,000,000	6,725,000
Income Taxes [Abstract]
Income tax benefit percentage realized on examination (in hundredths)															50.00%
Weighted average number of common and common equivalent shares outstanding [Abstract]
Basic number of common shares outstanding (in shares)	19,041,451	18,724,419	[1]	18,723,484	[1]	18,719,419	19,400,341	19,982,967	20,573,048	20,678,023	20,947,985	21,205,675	20,547,244	18,339,977	18,940,355	20,454,970	20,355,520
Dilutive effect of stock options and warrants (in shares)															0	202,270	408,834
Diluted number of common and common stock equivalent shares outstanding (in shares)	19,041,451	18,724,419	[1]	18,723,484	[1]	18,719,419	19,602,611	20,441,262	21,033,349	21,147,583	21,356,819	21,752,845	21,034,814	18,876,163	18,940,355	20,657,240	20,764,354
Common stock options and warrants excluded from computation of diluted earnings per share (in shares)															2,540,733	2,172,745	1,920,442
Impairment of Long-Lived Assets and Intangibles [Abstract]
Asset impairment															0
Core technology [Member]
Finite-Lived Intangible Assets [Line Items]
Patent costs and licensed technologies useful life															10 years
Product technology [Member]
Finite-Lived Intangible Assets [Line Items]
Patent costs and licensed technologies useful life															5 years
Minimum [Member]
Short-term Deposits [Abstract]
Short-term deposits maturity period															3 months
Finite-Lived Intangible Assets [Line Items]
Patent costs and licensed technologies useful life															8 years
Warranty on Product Sales [Line Items]
Period of warranty on product sales															1 year
Extended period of warranty on domestic sale of laser equipment															3 years
Minimum [Member] | Computer Equipment [Member]
Property and Equipment [Abstract]
Estimated useful life															3 years
Maximum [Member]
Short-term Deposits [Abstract]
Short-term deposits maturity period															1 year
Finite-Lived Intangible Assets [Line Items]
Patent costs and licensed technologies useful life															12 years
Warranty on Product Sales [Line Items]
Period of warranty on product sales															2 years
Extended period of warranty on domestic sale of laser equipment															4 years
Maximum [Member] | Computer Equipment [Member]
Property and Equipment [Abstract]
Estimated useful life															7 years
Forbearance Agreement [Member]
Business Acquisition [Line Items]
Repayment period															0 years 6 months
Prepayment of Term Loan	250,000														250,000
Percentage of exceeded cash on hand to be paid against revolving loans	100.00%														100.00%
Minimum amount of cash specified against payment of revolving loans	7,000,000														7,000,000
Possible increase in interest (in hundredths)															2.00%
Maximum capital expenditures on medical devices															100,000
Lenders fee															500,000
PhotoMedex, Inc. [Member]
Business Acquisition [Line Items]
Percentage of ownership on reverse merger (in hundredths)															20.00%
LCA-Vision Inc [Member] | Subsequent Event [Member]
Business Acquisition [Line Items]
Percentage of shares acquired by wholly-owned subsidiary (in hundredths)																		100.00%
Cash consideration from sale of business																		40,000,000
Net proceeds realized from sale of business																		36,500,000
Radiancy, Inc. [Member]
Business Acquisition [Line Items]
Percentage of ownership on reverse merger (in hundredths)															80.00%
Senior-secured credit facilities [Member]
Business Acquisition [Line Items]
Maximum borrowing capacity	85,000,000														85,000,000
Revolving Credit Facility [Member]
Business Acquisition [Line Items]
Maximum borrowing capacity	10,000,000														10,000,000
Term Loan [Member]
Business Acquisition [Line Items]
Maximum borrowing capacity	75,000,000														75,000,000
Repayment period															4 years
Prepayment of Term Loan	125,000														125,000
Minimum amount of cash specified against payment of revolving loans	5,000,000														5,000,000
Term Loan [Member] | Maximum [Member]
Business Acquisition [Line Items]
Outstanding principal amount	10,000,000														10,000,000
Fee Payment Each Month For May and June 2015 [Member] | Forbearance Agreement [Member]
Business Acquisition [Line Items]
Lenders fee															750,000
Fee Payment Each Month For July Through September 2015 [Member] | Forbearance Agreement [Member]
Business Acquisition [Line Items]
Lenders fee															1,000,000
Fee Payment Each Month For October Through December 2015 [Member] | Forbearance Agreement [Member]
Business Acquisition [Line Items]
Lenders fee															1,250,000
Fee Payment Each Month For January Through March 2016 [Member] | Forbearance Agreement [Member]
Business Acquisition [Line Items]
Lenders fee															$ 1,500,000
CB Floating Rate [Member] | Forbearance Agreement [Member]
Business Acquisition [Line Items]
Effective interest rate (in hundredths)															4.00%

[1] The information has been retroactively adjusted to account for the LCA business which is classified as held for sale as of December 31, 2014, as a discontinued operations.