v3.25.2
Note 10 - Income Taxes (Tables)
12 Months Ended
Jun. 30, 2025
Notes Tables  
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
  

Year Ended June 30,

 

(In thousands)

 

2025

  

2024

 

Current

        

Federal

 $-  $- 

State and local

  (2)  (2)

Total current tax expense

 $(2) $(2)

Deferred

        

Federal

  -   - 

State and local

  -   - 

Total deferred tax benefit/ (expense)

 $-  $- 

Total tax expense

 $(2) $(2)
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
  

Year Ended June 30,

 

(In thousands)

 

2025

  

2024

 

Expected benefit

 $2,908  $2,449 

State tax expense

  (2)  (2)

Tax credits

  347   251 

Change in valuation allowance

  (3,127)  (2,465)

Stock-based compensation

  (118)  (271)

Prior year true-up

  -   43 

Expiration of net operating loss carryovers

  (1)  - 

Other permanent items

  (9)  (7)

Total income expense

 $(2) $(2)
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
  

Year Ended June 30,

 

(In thousands)

 

2025

  

2024

 

Deferred tax assets:

        

Net operating loss carryforwards

 $20,975  $18,900 

Tax credit carryforwards

  2,166   1,800 

Lease liability - current and non-current

  563   63 

Unrealized loss on securities

  182   247 

IRC Section 174 R&D Expense Capitalization

  2,952   2,107 

Accrued expenses and other timing

  126   310 

Stock-based compensation

  112   63 

Property and equipment, principally due to differences in depreciation

  -   - 

Total gross deferred tax assets

 $27,076  $23,490 

Less - valuation allowance

  (26,482)  (23,444)

Net deferred tax assets

 $594  $46 

Deferred tax liabilities:

        

Right-of-use assets

 $(468) $(25)

Property and equipment, principally due to differences in depreciation

  (126)  (21)

Total gross deferred tax liabilities

  (594)  (46)

Net deferred tax assets

 $-  $- 
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
  

Year Ended June 30,

 

(In thousands)

 

2025

  

2024

 

Fiscal year beginning balance

 $604  $486 

Additions for tax positions of current period

  157   136 

Additions for tax positions of prior years

  1   - 

Decreases for tax positions of prior years

  -   (18)

Fiscal year ending balance

 $762  $604