Note 9 - Leases (Tables)

6 Months Ended

Dec. 31, 2019

Notes Tables

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

Year Ending June 30,
2020 (remaining nine months of the year)	$	145
2021		290
2022		290
2023		290
2024		237
Total		1,252
Less: Imputed Interest		(134	)
Total Lease Liability		1,118
Less current portion		(229	)
Non-current Lease Liability	$	889

Schedule of Change in Asset Retirement Obligation [Table Text Block]

	Six months ended December 31,
	2019			2018
Beginning balance	$	621		$	590
Accretion of discount		15			16
Gain on change in ARO estimate due to lease modification		(73	)		-
Ending Balance	$	563		$	606