CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net loss	$ (4,729)	$ (764)
Income from discontinued operations, net	(53)	(1,903)
Gain on sale of discontinued operations, net	(1,179)
Depreciation and amortization	3	29
Stock-based compensation expense	123	211
Change in fair value of warrant liabilities	872
Change in fair value of convertible notes	1,840
Financing costs associated with convertible notes	530
Non-cash interest expense	158
Change in assets and liabilities:
Accounts receivable	(122)	69
Inventory	108	(56)
Prepaid expenses and other assets	(86)	61
Accounts payable	(298)	(215)
Deferred revenue	(98)	115
Accrued liabilities	(41)	(100)
Net cash flows used in operating activities	(2,976)	(2,553)
Cash flows used for investing activities:
Purchase of property and equipment	4
Net cash used for investing activities	4
Cash flows from financing activities:
Net proceeds from issuance of convertible notes and warrants	3,605
Net cash provided by financing activities	3,605
Discontinued operations:
Net cash provided by operating activities	210	1,204
Net cash provided by investing activities	1,000
Net cash provided by discontinued operations	1,210	1,204
Effect of exchange rate changes on cash and cash equivalents	11	(13)
Net increase (decrease) in cash and cash equivalents	1,850	(1,362)
Cash and cash equivalents at beginning of period	1,324	2,686
Cash and cash equivalents at end of period	3,174	1,324
Supplemental disclosure of cash flow information:
Cash paid for interest	122
Supplemental disclosure of noncash investing and financing activities:
Warrant liabilities	$ 1,664