Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 46,519	$ 4,695
Accounts receivable, net	333	1,318
Product inventories, net	7,220	6,825
Prepaid expenses and other current assets	2,240	2,269
Total current assets	56,312	15,107
Property, plant and equipment, net	6,870	8,727
Patents, net	350	426
Total Assets	63,532	24,260
LIABILITIES AND STOCKHOLDERS' EQUITY
Trade accounts payable	5,870	2,873
Accrued salaries and benefits	1,132	743
Accrued warranty	354	211
Accrued liabilities	421	387
Deferred revenues	1,616	2,516
Warrant liability	654
Current portion of long-term debt	12	216
Total current liabilities	10,059	6,946
Long-term debt, less current portion		16
Total liabilities	10,059	6,962
Common stock, no par value, unlimited shares authorized; 69,452,487 and 27,015,680 shares issued and outstanding at December 31, 2011 and December 31, 2010	245,617	189,491
Additional paid in capital	12,279	12,297
Accumulated deficit	(204,423)	(184,490)
Total stockholders' equity	53,473	17,298
Total Liabilities and Stockholders' Equity	$ 63,532	$ 24,260