CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash Flows From Operating Activities:
Net loss	$ (24,354)	$ (9,641)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	2,348	1,371
Provision for doubtful accounts	20	1
Stock-based compensation	1,483	447
Gain on disposal of property and equipment	0	(16)
Impairment of long-lived assets	920	0
Amortization of debt discount	7,571	385
Amortization of deferred financing costs	373	38
Inventory write-offs	4,818	1,076
Change in fair value of warrant liability	679	(7,151)
Changes in operating assets and liabilities:
Restricted cash	(100)	0
Accounts receivable	(300)	(29)
Inventories	(295)	(1,362)
Prepaid expenses and other assets	(321)	262
MelaFind systems sold	0	163
Accounts payable and accrued expenses	289	(40)
Other accrued liabilities	(150)	0
Other liabilities	(39)	66
Deferred revenues	13	(238)
Net cash used in operating activities	(7,045)	(14,668)
Cash Flows From Investing Activities:
Lasers placed-in-service, net	(1,066)	0
(Purchases) proceeds on sale of property and equipment	(17)	17
Acquisition of a business, net of cash acquired of $0	(42,500)	0
Net cash (used in) provided by investing activities	(43,583)	17
Cash Flows From Financing Activities:
Proceeds from convertible debentures	32,500	15,000
Proceeds from senior notes	10,000	0
Payments on notes payable	(20)	0
Registration costs	(134)	0
Expenses related to financing	0	(1,123)
Proceeds from private placement/public offerings	0	11,458
Net cash provided by financing activities	42,346	25,335
Effect of exchange rate changes on cash	17	0
Net (decrease)/increase in cash and cash equivalents	(8,265)	10,684
Cash and cash equivalents, beginning of period	11,434	3,783
Cash and cash equivalents, end of period	3,169	14,467
Supplemental information:
Cash paid for interest	402	0
Supplemental information of non-cash investing and financing activities
Establishment of a warrant liability with a deemed dividend	2,962	0
Conversion of senior secured convertible debentures into common stock	4,593	0
Reclassification of property and equipment to inventory, net	107	0
Reclassification of warrant liability to stockholders' equity	(5,399)	0
Recognition of debt discount and beneficial conversion feature on long-term debt	27,300	10,353
Exchange of series A convertible preferred stock for series B convertible preferred stock	$ 0	$ 12,300