Note 5 - Leases - Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Jun. 30, 2022
Amortization of right-of-use assets	$ 7	$ 0	$ 14	$ 0
Interest on lease liabilities	1	0	2	0
Total finance lease cost	8	0	16	0
Operating lease cost	0	13	0	26
Short-term lease cost	25	36	40	62
Total lease cost	33	49	56	88
Operating cash flows from operating leases included in lease liabilities	0	13	0	26
Lease liabilities obtained from new ROU assets - operating	0	0	0	0
Operating cash flows from financing leases included in lease liabilities	1	0	2	0
Financing cash flows from financing leases included in lease liabilities	8	0	13	(0)
Lease liabilities obtained from new ROU assets - financing	$ 0	$ 0	$ 0	$ 0
Weighted-average discount rate - operating leases	0.00%		0.00%		0.00%
Weighted-average remaining lease term - financing leases (years) (Year)	2 years 9 months		2 years 9 months		3 years 3 months
Weighted-average discount rate - financing leases	4.75%		4.75%		4.75%

Amount of finance lease related cost.

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- Definition

Amount of interest expense on finance lease liability.

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- Definition

Amount of interest paid on finance lease liability.

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- Definition

Amount of cash outflow for principal payment on finance lease.

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- Definition

Amount of amortization expense attributable to right-of-use asset from finance lease.

+ References

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- Definition

Weighted average discount rate for finance lease calculated at point in time.

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- Definition

Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Amount of lease cost recognized by lessee for lease contract.

+ References

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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Weighted average discount rate for operating lease calculated at point in time.

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- Definition

Amount of increase in right-of-use asset obtained in exchange for finance lease liability.

+ References

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- Definition

Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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- Definition

Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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