Note 5 - Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	December 31,
	201 8		201 7
Payroll, bonus, and benefits	$	1,163	$	1,204
Legal and consulting		405		550
Stock-based compensation		71		71
Other accrued expenses		431		456
	$	2,070	$	2,281