Note 8 - Leases (Tables)

9 Months Ended

Mar. 31, 2020

Notes Tables

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

Year Ending June 30,
2020 (remaining three months of the year)	$	72
2021		290
2022		290
2023		290
2024		237
Total		1,179
Less: Imputed Interest		(117	)
Total Lease Liability		1,062
Less current portion		(232	)
Non-current Lease Liability	$	830

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

	Nine months ended March 31,
	2020			2019
Beginning balance	$	621		$	590
Accretion of discount		22			23
Gain on change in ARO estimate due to lease modification		(73	)		-
Ending Balance	$	570		$	613