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Note 2 - Property and Equipment (Tables)
6 Months Ended
Jun. 30, 2023
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

June 30,

  

December 31,

 
  

2023

  

2022

 
         

Medical equipment and facilities

 $73,917,000  $73,709,000 

Office equipment

  421,000   422,000 

Construction in progress

  1,857,000   106,000 
   76,195,000   74,237,000 

Accumulated depreciation

  (53,367,000)  (50,770,000)

Net property and equipment

 $22,828,000  $23,467,000 
         

Net property and equipment held outside of the United States

 $2,115,000  $2,201,000