CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities:
Net loss	$ (4,328)	$ (760)
Income from discontinued operations	(53)	(1,328)
Gain on sale of discontinued operations	(1,179)
Depreciation and amortization	4	24
Stock-based compensation expense	93	174
Change in fair value of warrant liabilities	1,104
Change in fair value of convertible notes	2,216
Financing costs associated with convertible notes	530
Non-cash interest expense	91
Change in assets and liabilities:
Accounts receivable	(166)	(36)
Inventory	156	52
Prepaid expenses and other assets	(151)	36
Accounts payable	(295)	(71)
Deferred revenue	(98)	117
Accrued liabilities	(46)	(131)
Net cash flows used in operating activities	(2,122)	(1,923)
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	789
Net cash provided by investing activities	1,000
Net cash provided by discontinued operations	1,210	789
Effect of exchange rate changes on cash and cash equivalents	42	(78)
Net increase (decrease) in cash and cash equivalents	2,735	(1,212)
Cash and cash equivalents at beginning of period	1,324	2,686
Cash and cash equivalents at end of period	4,059	1,474
Supplemental disclosure of cash flow information:
Cash paid for interest	72
Supplemental disclosure of noncash investing and financing activities:
Warrant liabilities	$ 1,896