Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	[1]
Current assets:
Cash and cash equivalents	$ 5,006	$ 7,360
Accounts receivable	791	593
Inventory	926	1,549
Prepaid expenses and other current assets	1,542	1,228
Total current assets	8,265	10,730
Property and equipment, net	254	239
Other assets	146	138
Total assets	8,665	11,107
Current liabilities:
Accounts payable	1,629	1,432
Accrued liabilities	2,408	1,293
Note payable	4,192	4,446
Total liabilities	$ 8,229	$ 7,171
Stockholders’ equity:
Preferred stock, no par value; unlimited shares authorized; no shares issued and outstanding as of March 31, 2016 and December 31, 2015
Common stock and paid-in capital, no par value; unlimited shares authorized as of March 31, 2016 and December 31, 2015; 7,497,857 and 7,490,288 shares issued and outstanding as of March 31, 2016 and December 31, 2015, respectively	$ 53,053	$ 52,447
Accumulated deficit	(52,617)	(48,511)
Total stockholders’ equity	436	3,936
Total liabilities and stockholders’ equity	$ 8,665	$ 11,107

[1] The condensed consolidated balance sheet as of December 31, 2015 has been derived from the audited consolidated financial statements as of that date.