CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash Flows From Operating Activities:
Net loss	$ (3,440)	$ (939)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	3,209	3,323
Provision for doubtful accounts	22	85
Loss on disposal of property, plant and equipment	0	124
Stock-based compensation	73	286
Deferred tax provision	120	120
Amortization of debt discount	1,618	1,239
Amortization of deferred financing costs	115	91
Change in fair value of warrant liability	4	(5,184)
Changes in operating assets and liabilities:
Accounts receivable	(147)	1,275
Inventories	(670)	374
Prepaid expenses and other assets	243	168
Accounts payable	403	(1,834)
Other accrued liabilities	(115)	(686)
Other liabilities	84	(47)
Deferred revenues	178	31
Net cash provided by (used in) operating activities	1,697	(1,574)
Cash Flows From Investing Activities:
Lasers placed-in-service, net	(1,205)	(328)
Purchases of property and equipment, net	(206)	0
Payments on distributor rights liability	(75)	0
Acquisition costs, net of cash received	0	125
Restricted cash	0	15
Net cash used in investing activities	(1,486)	(188)
Cash Flows From Financing Activities:
Proceeds from long-term debt	0	1,500
Payments on notes payable	(201)	(207)
Net cash (used in ) provided by financing activities	(201)	1,293
Effect of exchange rate changes on cash	0	7
Net decrease in cash and cash equivalents	10	(462)
Cash and cash equivalents, beginning of period	3,928	3,303
Cash and cash equivalents, end of period	3,938	2,841
Supplemental information:
Cash paid for interest	1,133	980
Supplemental information of non-cash investing and financing activities:
Conversion of senior secured convertible debentures into common stock	262	248
Recognition of warrants issued as debt discount	0	47
Reclassification of warrant liabilities to equity	0	1,541
Acquisition of distributor rights asset and license liability	$ 900	$ 0