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Note 1 - Basis of Presentation (Tables)
6 Months Ended
Jun. 30, 2021
Notes Tables  
Reconciliation of Revenue from Segments to Consolidated [Table Text Block]
  

June 30, 2021

 

Revenues

    

Domestic

 $7,415,000 

Foreign

  1,425,000 

Total

 $8,840,000 
     

Profit or (loss)

    

Domestic

 $(35,000)

Foreign

  (23,000)

Total

 $(58,000)