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Note 15 - Leases (Tables)
3 Months Ended
Jun. 30, 2022
Notes Tables  
Assets And Liabilities Lessee [Table Text Block]
   

June 30, 2022

   

March 31, 2022

 

Leases:

               

Right-of-use assets - Financing

  $ 6       8  

Right-of-use assets - Operating

    3,484       3,502  

Total right-of-use assets

    3,490       3,510  
                 

Lease liabilities - ST Financing

  $ 6       7  

Lease liabilities - ST Operating

    821       740  

Lease liabilities - LT Financing

          1  

Lease liabilities - LT Operating

    2,783       2,900  

Total lease liabilities

    3,610       3,648  
                 

Weighted-average remaining lease term

    4.52       4.93  

Weighted-average discount rate

    6.33 %     6.36 %
Lease, Cost [Table Text Block]
   

Three Months Ended

 
   

June 30, 2022

 

Operating Leases:

       

Operating lease costs - fixed

  $ 242  

Operating lease costs - variable

    38  

Short-term lease costs

    31  

Total lease costs

    311  
   

Three Months Ended

 
   

June 30, 2021

 

Operating Leases:

       

Operating lease costs - fixed

  $ 231  

Operating lease costs - variable

    32  

Short-term lease costs

    67  

Total lease costs

    330  
Lessee, Operating Lease, Liability, Maturity [Table Text Block]
   

Leases

 

Year ended March 31,

       

2023

  $ 762  

2024

    974  

2025

    780  

2026

    719  

2027

    579  

Thereafter

    357  

Total minimum lease payments

    4,171  

Less: interest

    567  

Present value of lease liabilities

    3,604