CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities:
Net loss	$ (15,120)	$ (7,353)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	$ 641	881
Provision for doubtful accounts		1
Stock-based compensation	$ 476	332
Gain on disposal of property and equipment		$ (5)
Impairment of long-lived assets	$ 920
Amortization of debt discount	2,662
Amortization of deferred financing costs	219
Change in fair value of warrant liability	(651)	$ (5,043)
Changes in operating assets and liabilities:
Restricted cash	(100)
Accounts receivable	239	$ 7
Inventories	5,029	623
Prepaid expenses and other assets	63	$ 547
Deferred financing costs	(382)
Accounts payable and accrued expenses	204	$ (903)
Other accrued liabilities	46	35
Other liabilities	(20)	(20)
Deferred revenues	119	(141)
Net cash used in operating activities	(5,655)	$ (11,039)
Cash flows from investing activities:
Lasers placed-in-service, net	$ (123)
Proceeds on sale of property and equipment		$ 6
Acquisition costs, net of cash received	$ (42,500)
Net cash (used in) provided by investing activities	(42,623)	$ 6
Cash flows from financing activities:
Proceeds from convertible debentures	32,500
Proceeds from senior notes	10,000
Payments on notes payable	(5)
Expenses related to financing	$ (100)
Proceeds from credit facilities		$ 11,452
Net cash provided by financing activities	$ 42,395	$ 11,452
Effect of exchange rate changes on cash	2
Net (decrease)/increase in cash and cash equivalents	(5,881)	$ 419
Cash and cash equivalents, beginning of period	11,434	3,783
Cash and cash equivalents, end of period	5,553	$ 4,202
Supplemental information:
Cash paid for interest	250
Supplemental information of non-cash investing and financing activities
Conversion of convertible preferred stock into common stock	5,283
Conversion of senior secured convertible debentures into common stock	2,308
Reclassification of property and equipment to inventory, net	$ 107
Reclassification of warrant liability to stockholders' equity		$ 652