Consolidated Statements of Cash Flows (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities:
Net loss	$ (7,982)	$ (8,351)
Adjustments to reconcile net loss to net cash used for operating activities:
Depreciation	181	182
Amortization of debt discount & issuance costs	1,157	759
Interest expense added to loan principal	1,563	1,327
Unrealized gain on derivative liability	(56)
Compensation charge for stock and share options	1,793	2,673
Decrease in accounts receivable	253	130
Increase in prepaid expenses and other	(437)	(235)
(Increase) decrease in other assets	(83)	32
Increase (decrease) in accounts payable	507	(382)
(Decrease) increase in accrued liabilities	(210)	34
Increase in other long-term liabilities	500
Net cash used for operating activities	(2,814)	(3,831)
Cash flows from investing activities:
Additions to property, plant and equipment	(2,109)	(412)
Net cash used in investing activities	(2,109)	(412)
Cash flows from financing activities:
Proceeds from issuance of long-term debt	2,000
Principal payments on long-term debt	(8)	(14)
Net cash provided by (used in) financing activities	1,992	(14)
Net decrease in cash and cash equivalents	(2,931)	(4,257)
Cash and cash equivalents, beginning of period	5,911	8,878
Cash and cash equivalents, end of period	$ 2,980	$ 4,621