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Note 6 - Per Share Amounts (Tables)
9 Months Ended
Sep. 30, 2021
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
  

Three Months Ended September 30,

  

Nine Months Ended September 30,

 
  

2021

  

2020

  

2021

  

2020

 

Net income (loss) attributable to American Shared Hospital Services

 $33,000  $(209,000) $(25,000) $(827,000)
                 

Weighted average common shares for basic earnings per share

  6,103,000   6,049,000   5,824,000   6,060,000 

Diluted effect of stock options and restricted stock awards

  20,000   -   -   - 

Weighted average common shares for diluted earnings per share

  6,123,000   6,049,000   5,824,000   6,060,000 
                 

Basic earnings (loss) per share

 $0.01  $(0.03) $(0.00) $(0.14)

Diluted earnings (loss) per share

 $0.01  $(0.03) $(0.00) $(0.14)