The Company (Details) $ / shares in Units, $ in Thousands			9 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 22, 2015 USD ($) $ / shares	Sep. 30, 2015 USD ($) shares Systems Channel	Sep. 30, 2014 USD ($) shares	Dec. 31, 2014 USD ($) Treatment Patient	Sep. 30, 2015 USD ($) $ / shares shares
Business Acquisition [Line Items]
Exercise price of warrants (in dollars per share) | $ / shares		$ 0.75				$ 0.75
Liquidity [Abstract]
Accumulated deficit					$ (182,293)	$ (206,647)
Revenue Recognition [Abstract]
Number of distribution channels | Channel			2
Inventories [Abstract]
Reserves on inventory				$ 870		0
Inventory write-offs			$ 4,818	1,076
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life			5 years
Write-down, property and equipment			$ 920	$ 0
Product Warranty Accrual [Roll Forward]
Accrual at beginning of year			48
Acquired in asset purchase			265
Additions charged to warranty expense			62
Expiring warranties/claimed satisfied			(110)
Total			265
Less: current portion			$ (48)		(48)	(177)
Accrued warranty, non-current portion						88
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potential common stock equivalents (in shares) | shares			67,438,715	24,042,545
Minimum [Member]
Product Warranty Liability [Line Items]
Standard warranty period			1 year
Offered warranty period			3 years
Maximum [Member]
Product Warranty Liability [Line Items]
Standard warranty period			2 years
Offered warranty period			4 years
2015 Financing [Member]
Business Acquisition [Line Items]
Aggregate principal amount of debt		$ 42,500				42,500
Computer Hardware and Software [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life			3 years
Computer Hardware and Software [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life			7 years
Furniture and Fixtures [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life			3 years
Furniture and Fixtures [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life			7 years
Machinery and Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life			3 years
Machinery and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, useful life			7 years
Fair Value, Measurements, Recurring [Member]
Fair Value Assets And Liabilities, Measured On Recurring And Nonrecurring Basis [Line Items]
Warrant liability (Note 11)					499	9,535
Fair Value, Measurements, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value Assets And Liabilities, Measured On Recurring And Nonrecurring Basis [Line Items]
Warrant liability (Note 11)					0	0
Fair Value, Measurements, Recurring [Member] | Significant other Observable Inputs (Level 2) [Member]
Fair Value Assets And Liabilities, Measured On Recurring And Nonrecurring Basis [Line Items]
Warrant liability (Note 11)					0	0
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value Assets And Liabilities, Measured On Recurring And Nonrecurring Basis [Line Items]
Warrant liability (Note 11)					$ 499	9,535
Patents and Licensed Technologies [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets			$ 0
Patents and Licensed Technologies [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life			8 years
Patents and Licensed Technologies [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life			12 years
Core Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life			10 years
Product Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life			5 years
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life			10 years
Impairment of intangible assets			$ 0
XTRAC and VTRAC [Member]
Business Acquisition [Line Items]
Acquisition price		$ 42,528
XTRAC and VTRAC [Member] | 2015 Financing [Member]
Business Acquisition [Line Items]
Aggregate principal amount of debt						$ 10,000
Interest rate						9.00%
Maturity date	Maturity date of the earlier of 30 days after the Company obtains stockholder approval of stock issuances under the Debentures and the Warrants or November 30, 2015.
Warrants issued and outstanding to purchase common stock (in shares) | shares						3,000,000
Exercise price of warrants (in dollars per share) | $ / shares						$ 0.75
Issuance of common stock (in shares) | shares						62,837,601
XTRAC and VTRAC [Member] | Senior Secured Convertible Debentures [Member]
Business Acquisition [Line Items]
Aggregate principal amount of debt						$ 32,500
Number of shares issuable on conversion of debt (in shares) | shares			43,333,334
Initial conversion price (in dollars per share) | $ / shares						$ 0.75
Interest rate						2.25%
Maturity period of debentures			5 years
Debentures secured by first priority lien						$ 500
XTRAC and VTRAC [Member] | Core Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life			10 years
XTRAC and VTRAC [Member] | Product Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life			5 years
XTRAC [Member]
Business Acquisition [Line Items]
Number of systems placed in dermatologists offices | Systems			698
Number of laser treatments performed | Treatment					300,000
Number of patients | Patient					19,000
Common Stock Equivalents of Convertible Debentures [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potential common stock equivalents (in shares) | shares			46,521,127	5,847,955
Common Stock Purchase Warrants [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potential common stock equivalents (in shares) | shares			16,078,920	13,078,920
Common Stock Equivalents of Convertible Preferred Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potential common stock equivalents (in shares) | shares			2,535,866	4,795,321
Common Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potential common stock equivalents (in shares) | shares			2,302,802	320,349