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	$ (20,161)	$ (11,664)
Gain on sale of discontinued operations		(459)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	2,203	2,255
Impairment of goodwill and long-lived assets	988
Accretion of interest to related party liability	398	432
Amortization of debt issuance costs	698	2,050
Stock-based compensation expense	3,700	996
Modification of stock awards		350
Otther		84
Changes in operating assets and liabilities:
Accounts receivable	2,961	285
Inventories	(6,159)	(24)
Prepaid expenses and other assets	(599)	(101)
Accounts payable	(2,739)	(1,899)
Payment obligation liability	(856)	(837)
Deferred revenue	916	(264)
Accrued expenses and other liabilities	1,792	(476)
Net cash used in operating activities	(16,858)	(9,272)
Cash flows from investing activities:
Capital expenditures	(553)	(1,159)
Proceeds from sale of business		1,395
Net cash (used in) provided by investing activities	(553)	236
Cash flows from financing activities:
Proceeds from issuance of debt, net of issuance costs	4,000	16,000
Proceeds from capital raise, net of issuance costs		36,165
Proceeds from issuance of common stock under employee stock purchase plan and options and warrants exercised	46	894
Payments on financial liabilities		(8,919)
Repurchase of common stock	(1,915)
Net cash provided by financing activities	2,131	44,140
Effect of exchange rates on cash	149	911
Net (decrease) increase in cash	(15,131)	36,015
Cash of continuing operations, at beginning of period	36,547	5,095
Add: Cash of discontinued operations, at beginning of period		16
Cash of continuing operations, at end of period	21,416	41,126
Non-cash investing and financing activities:
Common stock issued to settle earn-out obligation	3,510
Common stock issued in connection with stock bonus and incentive plans		356
Common stock issued to acquire share of noncontrolling interest	1,216	37
Property and equipment included in accounts payable	$ 51	$ 42