CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 2,585	$ 1,324
Accounts receivable, net of allowance of $2 and $10 at December 31, 2011 and 2010, respectively	453	121
Inventories	238	310
Prepaid expenses and other current assets	233	252
Assets from discontinued operations		1,095
Total current assets	3,509	3,102
Equipment, furniture and leasehold improvements, net	36	27
Other assets	4	186
Total assets	3,549	3,315
Current liabilities:
Accounts payable	149	343
Accrued compensation	63	91
Accrued other	221	232
Deferred revenue	277	98
Liabilities from discontinued operations		1,117
Total current liabilities	710	1,881
Convertible notes	5,327
Warrant liabilities	1,600
Commitments and Contingencies (Note 7)
Stockholders' equity (deficit):
Common stock, no par value, unlimited shares authorized, 30,351 shares issued and outstanding at December 31, 2011 and 2010	93,893	93,893
Additional paid in capital	996	848
Accumulated deficit	(98,727)	(92,969)
Accumulated other comprehensive loss	(250)	(338)
Total stockholders' equity (deficit)	(4,088)	1,434
Total liabilities and stockholders' equity (deficit)	$ 3,549	$ 3,315