Note 5 - Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	December 31,
	2020		2019
Payroll, bonus, and benefits	$	240	$	628
Legal and consulting		104		510
Stock-based compensation		71		71
Well development		113		1,038
Northern Pipeline quality test		-		1,868
Other accrued expenses		146		421
	$	674	$	4,536