Reverse Acquisition (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 13, 2011
Reverse Acquisition [Abstract]
Effective date of merger	Dec. 13, 2011
Common stock issued after giving effect to merger (in shares)	21,043,947	18,821,728		18,820,852
Common stock outstanding after giving effect to merger (in shares)	21,043,947	18,821,728		18,820,852
Business Acquisition [Line Items]
Amount of consideration	$ 82,562,000
Amount of debt assumed	1,842,000
Market price of pre-merged PhotoMedex Shares (in dollars per share)	$ 15.6
Consideration transferred in cash	20,000,000
Change in valuation on unvested restricted stock		1,353,000
Increase in net allocations of deferred tax assets acquired	1,467,000
Increases in taxes payable due to change in tax election	121,000
Increase in goodwill due to a net change in allocation of deferred tax assets	3,241,000
Fair value of the assets acquired and liabilities assumed [Abstract]
Cash and cash equivalents	1,271,000
Accounts receivable	1,873,000
Inventories	7,136,000
Prepaid expenses and other current assets	639,000
Property and equipment	4,543,000
Patents and licensed technologies	13,500,000
Other intangible assets	12,000,000
Other assets	41,000
Deferred tax assets	25,348,000
Total assets acquired at fair value	66,351,000
Accounts payable	(6,333,000)
Accrued compensation and related expenses	(1,554,000)
Other accrued liabilities	(2,592,000)
Deferred revenues	(556,000)
Total liabilities assumed	(11,035,000)
Net assets acquired	55,316,000
Goodwill recognized under reverse acquisition	27,852,000			27,246,000
Summarized combined result after giving effect acquisition adjustments [Abstract]
Net revenues		162,341,000	104,872,000
Net income (loss)		$ (13,077,000)	$ 6,378,000
Net income (loss) per share: [Abstract]
Basic (in dollars per share)		$ (0.91)	$ 0.50
Diluted (in dollars per share)		$ (0.91)	$ 0.45
Shares used in calculating net income (loss) per share [Abstract]
Basic (in shares)		14,445,184	13,845,883
Diluted (in shares)		14,445,184	14,314,292
PhotoMedex, Inc. [Member]
Business Acquisition [Line Items]
Percentage of ownership on reverse merger (in hundredths)	20.00%
Percentage of ownership agreed on reverse merger (in hundredths)	25.00%
Radiancy, Inc. [Member]
Business Acquisition [Line Items]
Percentage of ownership on reverse merger (in hundredths)	80.00%
Percentage of ownership agreed on reverse merger (in hundredths)	75.00%