Note 5 - Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	December 31,
	2021		2020
Payroll, bonus, and benefits	$	41	$	240
Legal and consulting		371		104
Well development		113		113
Other accrued expenses		283		217
	$	808	$	674