Note 5 - Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	December 31,
	201 6		201 5
Payroll, bonus, and benefits	$	317	$	19
Legal and consulting		167		1,092
Stock-based compensation		171		283
Litigation settlement		3,000		-
Other accrued expenses		298		271
	$	3,953	$	1,665