CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 258	$ 2,585
Accounts receivable, net of allowance of $2 at December 31, 2012 and 2011, respectively	402	453
Inventories	182	238
Prepaid expenses and other current assets	178	233
Total current assets	1,020	3,509
Equipment, furniture and leasehold improvements, net	67	36
Other assets	4	4
Total assets	1,091	3,549
Current liabilities:
Accounts payable	377	149
Accrued compensation	78	63
Accrued other	368	221
Deferred revenue	317	277
Total current liabilities	1,140	710
Convertible notes	8,098	5,327
Warrant liabilities	3,800	1,600
Commitments and Contingencies (Note 7)
Stockholders' equity (deficit):
Common stock, no par value, unlimited shares authorized, 32,434 shares issued and outstanding at December 31, 2012 and 30,351 shares issued and outstanding at December 31, 2011	93,893	93,893
Additional paid in capital	1,540	996
Accumulated deficit	(107,114)	(98,727)
Accumulated other comprehensive loss	(266)	(250)
Total stockholders' deficit	(11,947)	(4,088)
Total liabilities and stockholders' deficit	$ 1,091	$ 3,549