Note 5 - Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2014

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities [Table Text Block]

	December 31,
	2014		2013
Payroll, bonus, and benefits	$	54	$	141
Legal and consulting		902		1,300
Stock-based compensation		275		71
Other accrued expenses		349		226
	$	1,580	$	1,738