CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash Flows From Operating Activities:
Net loss	$ (1,437)	$ (7,272)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	1,684	316
Provision for doubtful accounts	40	1
Stock-based compensation	170	230
Deferred tax provision	60	0
Amortization of debt discount	639	2,015
Amortization of deferred financing costs	48	180
Change in fair value of warrant liability	(1,985)	1,334
Changes in operating assets and liabilities:
Accounts receivable	782	214
Inventories	(24)	113
Prepaid expenses and other assets	88	(76)
Accounts payable and accrued expenses	(955)	(110)
Other accrued liabilities	(523)	(8)
Other liabilities	(35)	(10)
Deferred revenues	52	(28)
Net cash used in operating activities	(1,396)	(3,101)
Cash Flows From Investing Activities:
Lasers placed-in-service, net	(197)	0
Restricted cash	15	(100)
Net cash used in investing activities	(182)	(100)
Cash Flows From Financing Activities:
Proceeds from long-term debt	1,500	0
Payments on notes payable	(105)	0
Net cash provided by financing activities	1,395	0
Net decrease in cash and cash equivalents	(183)	(3,201)
Cash and cash equivalents, beginning of period	3,303	11,434
Cash and cash equivalents, end of period	3,120	8,233
Supplemental information:
Cash paid for interest	442	139
Supplemental information of non-cash investing and financing activities:
Conversion of senior secured convertible debentures into common stock	165	2,308
Conversion of convertible preferred stock into common stock	0	1,508
Reclassification of property and equipment to inventory, net	0	26
Recognition of warrants issued as debt discount	$ 47	$ 0