CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Operating activities:
Net loss	$ (12,609)	$ (21,820)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	14,006	19,964
Stock-based compensation	3,641	2,832
Interest expense related to amortization of debt discount and debt issuance costs	4,354	285
Provision for doubtful accounts	443	225
Provision for excess and obsolete inventory	2,553	10,842
Deferred income tax expense (benefit)	338	(269)
Non-cash in-process research and development expenses	102	0
Other non-cash items	2,655	1,252
Changes in operating assets and liabilities:
Restricted cash	(2,001)	0
Accounts receivable	373	(1,704)
Inventories	(3,134)	(4,720)
Prepaid expenses and other current assets	4,143	1,627
Other assets	(202)	57
Accounts payable	(261)	(1,921)
Accrued expenses and other	(34,684)	172
Deferred revenues	(1)	(153)
Net cash (used in) provided by operating activities	(20,284)	6,669
Investing activities:
Purchases of property and equipment	(7,751)	(10,975)
Purchase of intangible assets	0	(750)
Cash paid for acquisitions	0	(4,000)
Cash received from sale of assets	300	0
Net cash used in investing activities	(7,451)	(15,725)
Financing activities:
Borrowings under lines of credit	122,066	109,283
Repayments under lines of credit	(115,068)	(130,017)
Principal payments on capital lease obligations	(605)	(1,705)
Proceeds from notes payable	24,500	28,000
Principal payments on notes payable	(3,836)	0
Net cash provided by financing activities	27,057	5,561
Effect of exchange rate changes on cash	(498)	(92)
Net decrease in cash	(1,176)	(3,587)
Cash at beginning of period	21,345	22,241
Cash at end of period	20,169	18,654
Supplemental disclosure of cash flow information:
Cash paid for interest	4,074	2,759
Cash paid for income taxes	487	804
Purchases of property and equipment in accounts payable	2,217	2,087
Non-cash debt discount	500	0
Initial fair value of warrant liability	10,368	0
Purchase of property and equipment through capital lease	$ 759	$ 0