Note 5 - Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Accrued Liabilities [Table Text Block]

	December 31,
	2012		2011
Payroll, bonus, and benefits	$	160	$	150
Well-field, environmental studies, legal and consulting		884		716
Stock-based compensation		67		27
Other accrued expenses		284		156
	$	1,395	$	1,049