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Note 6 - Contract Assets and Contract Liabilities (Tables)
3 Months Ended
Mar. 31, 2025
Notes Tables  
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]
   

March 31,

   

December 31,

 
   

2025

   

2024

 

Cost incurred

  $ 1,688,134     $ 2,512,901  

Unbilled project deliveries

    -       51,442  

VAT

    158,137       93,961  

Other receivables

    2,757       20,972  

Prepayments

    (1,136,852 )     (1,121,897 )
    $ 712,176     $ 1,557,379  
                 

Distributed as follows:

               

Contract assets

  $ 850,986     $ 1,666,698  

Contract liabilities

    (138,810 )     (109,319 )
    $ 712,176     $ 1,557,379