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Note 5 - Income Taxes (Tables)
12 Months Ended
Mar. 31, 2025
Notes Tables  
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
  

2025

  

2024

 
  

(In thousands)

 

Current:

        

Federal

 $3  $78 

Foreign, state and other

     12 

Deferred:

        

Federal

      

Foreign, state and other

      

Provision for income tax expense

 $3  $90 
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
  

2025

  

2024

 
  

(In thousands)

 
         

Statutory provision

 $(991) $180 

Foreign subsidiary

  (118)  (248)

State taxes

  (293)  55 

Permanent differences

  124   261 

Adjustment to prior year taxes

  (355)  86 

Valuation allowance

  1,636   (244)

Provision for income tax expense

 $3  $90 
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
  

2025

  

2024

 
  

(In thousands)

 

Deferred tax assets:

        

Accounts receivable reserves

 $327  $71 

Inventory

  175   190 

Accruals

  10   116 

Net operating loss and credit carry forwards

  5,649   4,152 

Total deferred tax assets:

  6,161   4,529 

Valuation allowance

  (6,145)  (4,510)

Net deferred tax assets:

  16   19 

Deferred tax liabilities:

        

Property and equipment

  (16)  (19)

Total deferred tax liabilities:

 $(16) $(19)
Summary of Operating Loss Carryforwards [Table Text Block]
  

Federal NOL's

  

State NOL's

     

Loss Year (Fiscal)

 

Included in DTA (in millions)

  

Included in DTA (in millions)

  

Expiration Year (Fiscal)

 

2014

 $  $   2034 

2016

 $  $0.6   2036 

2017

 $  $0.8   2037 

2018

 $  $2.6  

Federal indefinite/State 2038

 

2019

 $1.9  $2.7  

Federal indefinite/State 2039

 

2020

 $3.7  $3.0  

Federal indefinite/State 2040

 

2021

 $4.0  $3.2  

Federal indefinite/State 2041

 

2022

 $3.4  $2.9  

Federal indefinite/State 2042

 

2024

 $2.4  $2.1  

Federal indefinite/State 2044

 

2025

 $3.7  $3.2  

Federal indefinite/State 2045

 

Total

 $19.1  $21.1