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Note 9 - Net Income (Loss) Per Share Attributable to Common Shareholders (Tables)
9 Months Ended
Jun. 30, 2022
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

(in thousands, except per share data)

 

Three Months Ended
June 30,

  

Nine Months Ended
June 30,

 
  

2022

  

2021

  

2022

  

2021

 

Numerator:

                

Net income (loss) – basic earnings per share

 $403  $(3,609

)

 $2,620  $(5,327

)

Effect of dilutive securities:

                

Change in fair value of in-the-money warrant derivative liabilities

  (10

)

  -   (40

)

  - 

Net income (loss) applicable to common shareholders - diluted earnings per share

 $393  $(3,609

)

 $2,580  $(5,327

)

                 

Denominator:

                

Weighted-average shares outstanding for basic earnings per share

  10,217,609   5,939,021   10,203,570   5,117,586 

Effect of dilutive securities:

                

Options

  -   -   109,020   - 

Warrants

  13,254   -   13,423   - 

Preferred stock

  38,889   -   38,889   - 

Weighted-average shares outstanding for diluted earnings per share

  10,269,752   5,939,021   10,364,902   5,117,586 
                 

Basic net income (loss) per share

 $0.04  $(0.61

)

 $0.26  $(1.04

)

Diluted net income (loss) per share

 $0.04  $(0.61

)

 $0.25  $(1.04

)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
  

Three Months Ended
June 30,

  

Nine Months Ended
June 30,

 
  

2022

  

2021

  

2022

  

2021

 

Stock options

  1,178,065   573,201   729,712   613,201 

Warrants

  1,743,891   2,945,452   1,743,891   5,551,059 

Series C Convertible Preferred Stock

  -   350   -   350 

Contingently issuable shares associated with an acquired business

  -   216,590   -   216,590