CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Operating activities:
Net income (loss)	$ (12,280)	$ 393
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Non-cash (gain)/loss on debt extinguishment	(5)	2,037
Non-cash interest expense	1,007	186
Non-cash gain on settlement of liabilities	(321)
Compensation related to stock options, restricted stock and employee stock purchase plan	260	93
Gain on disposition of property and equipment		(30)
Gain on foreign exchange transactions	(1)
Changes in fair market value of liabilities
Stock reserved for issuance to settle liabilities	2,503	(313)
Debt Features		(829)
Price adjustable warrants	6,256	(1,832)
Changes in assets and liabilities
Accounts receivable	5	2
Prepaid expenses and other current assets	73	128
Accounts payable	(361)	(102)
Deferred revenue		(115)
Accrued interest and other accrued liabilities	(501)	587
Accrued restructuring	(12)	(380)
Net cash used in operating activities	(3,377)	(175)
Investing activities:
Change in restricted cash		380
Proceeds from the sale of property and equipment		30
Net cash provided by investing activities		410
Financing activities:
Proceeds from sales of Series C preferred shares and warrants, net	5,929
Cash payments of notes payable	(250)
Insurance financing	(8)	(10)
Net cash provided (used) by financing activities	5,671	(10)
Net increase (decrease) in cash	2,294	225
Cash and cash equivalents - Beginning of period	909	216
Cash and cash equivalents - End of period	3,203	441
Non-cash financing activities:
Cash paid for interest	83
Reclassification of fair value liability for price adjustable warrants exercised	1,916
Issuance of common stock to settle liabilities	3,517
Debt conversion to common shares	1,479
Deemed dividend to Series C convertible preferred stockholders	$ 6,000