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Note 13 - 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,

 
  

2025

  

2024

 
  

(in thousands)

 

Current:

      

Federal

 $(215) $1,886 

State

  652   256 

Income tax expense

 $437  $2,142 
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
  

Year Ended June 30,

 
  

2025

  

2024

 
  

(in thousands, except tax rate)

 

Tax at statutory rate

 $(2,897)  21.0% $(2,179)  21.0%

State income taxes, net of federal benefit

  26   (0.2)%  (906)  8.7%

Stock-based compensation expense

  22   (0.1)%  19   (0.2)%

Change in valuation allowance

  2,465   (17.9)%  5,172   (49.8)%

Other

  821   (6.0)%  36   (0.3)%

Income tax expense

 $437   (3.2)% $2,142   (20.6)%
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
  

June 30,

 
  

2025

  

2024

 
  

(in thousands)

 

Deferred tax assets:

      

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    

Accrued expenses

  642   1,027 

Section 174 capitalization

  864   780 

Inventory

  557   256 

Lease liability

  266   305 

Fixed assets

  62   99 

Warrant derivatives

     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 
         

Deferred tax liabilities:

      

Intangibles

     (563)

ROU asset

  (252)  (199)

Total deferred tax liabilities

  (252)  (762)

Net deferred tax liabilities

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

June 30,

 
  

2025

  

2024

 
  

(in thousands)

 

Beginning balances

 $1,313  $2,948 

Decrease resulting from current period tax positions

  (795)  (1,996)

Increase resulting from current period tax positions

     361 

Ending balances

 $518  $1,313 
Income Tax Expense (Benefit), Intraperiod Tax Allocation [Table Text Block]
  

Year Ended June 30,

 
  

2025

  

2024

 
  

(in thousands)

 

Continuing operations income tax expense

 $437  $2,142 

Discontinued operations income tax benefit

  (17)  (374)

Income tax expense

 $420  $1,768