Note 13 - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Jun. 30, 2024
Net operating loss carry forward	$ 119,782	$ 119,170
Interest	5,101	4,845
Accrued rebates	4,478	3,819
Research and development credits	2,416	2,416
Stock-based compensation expense	1,362	1,259
Intangible assets	1,187	0
Accrued expenses	642	1,027
Section 174 capitalization	864	780
Inventory	557	256
Lease liability	266	305
Fixed assets	62	99
Warrant derivatives	0	3,061
Other	87	975
Total deferred tax assets	136,804	138,012
Less: valuation allowance	(136,552)	(137,250)
Deferred tax assets, net of valuation allowance	252	762
Intangibles	0	(563)
ROU asset	(252)	(199)
Total deferred tax liabilities	(252)	(762)
Net deferred tax liabilities	$ 0	$ 0

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible accrued rebates.

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Amount before allocation of valuation allowances of deferred tax asset attributable to capitalized research and development.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible lease liabilities.

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Amount of deferred tax liability attributable to taxable temporary differences.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible interest carryforward.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from derivative instruments.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from intangible assets including goodwill.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill.

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Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements.

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