Condensed Consolidated Balance Sheets (Current Period Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 221	$ 895	[1]
Accounts receivable	35	6	[1]
Inventory	167	131	[1]
Prepaid expenses and other current assets	881	923	[1]
Total current assets	1,304	1,955	[1]
Property and equipment, net	170	187	[1]
Other assets	160	156	[1]
Total assets	1,634	2,298	[1]
Current liabilities:
Accounts payable	612	416	[1]
Accrued liabilities	583	223	[1]
Note payable	3,500	2,500	[1]
Total current liabilities	4,695	3,139	[1]
Total liabilities	4,695	3,139	[1]
Commitments and contingences (Note 6)
Stockholders’ equity (deficit):
Preferred stock, no par value; unlimited shares authorized; no shares issued and outstanding as of March 31, 2015 and December 31, 2014	0	0	[1]
Common stock and paid-in capital, no par value; unlimited shares authorized as of March 31, 2015 and December 31 2014; 18,341,294 shares issued and outstanding as of March 31, 2015 and December 31, 2014	35,548	35,244	[1]
Accumulated deficit	(38,609)	(36,085)	[1]
Total stockholders’ equity (deficit)	(3,061)	(841)	[1]
Total liabilities and stockholders’ equity (deficit)	$ 1,634	$ 2,298	[1]

[1] The condensed consolidated balance sheet as of December 31, 2014 has been derived from the audited financial statements as of that date.