CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Operating activities:
Net income (loss)	$ 414	$ (9,078)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Non-cash gain on debt extinguishment		(4)
Non-cash interest expense		1,007
Non-cash gain on settlement of liabilities		(257)
Compensation related to stock options and warrants	180	59
Changes in fair market value of liabilities
Stock reserved for issuance to settle liabilities		2,455
Price adjustable warrants	(1,729)	5,314
Cash changes in assets and liabilities
Accounts receivable	500	5
Prepaid expenses and other assets	8	(9)
Accounts payable	(106)	(24)
Accrued and other liabilities	71	(533)
Net cash used in operating activities	(662)	(1,065)
Financing activities:
Proceeds from sales of Series C preferred shares and warrants, net		5,929
Cash payments on notes payable		(250)
Insurance financing		(3)
Proceeds from exercise of warrants for common stock	1
Net cash provided by financing activities	1	5,676
Net increase (decrease) in cash	(661)	4,611
Cash and cash equivalents - January 1	1,824	909
Cash and cash equivalents - March 31	1,163	5,520
Supplemental disclosure of cash flow information and non-cash financing activities:
Cash paid for interest		83
Reclassification of fair value liability for price adjustable warrants exercised		1,862
Fair value of warrants issued to purchase common stock to settle liabilities	50
Issuance of common stock to settle liabilities	75	3,474
Debt conversion to common shares		1,479
Deemed dividend to Series C convertible preferred stockholders		$ 6,000