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Note 4 - Computation of Net Loss per Common Share
 3 Months Ended
Jun. 30, 2020
Notes to Financial Statements  
Earnings Per Share [Text Block]
4.
Computation of Net Loss per Common Share
 
Basic net loss per share (“EPS”) is computed by dividing net loss by the weighted-average number of common shares outstanding for the period. Where applicable, diluted EPS is computed by dividing the net loss by the weighted-average number of common shares and dilutive common equivalent shares outstanding during the period, calculated using the treasury stock method. Common equivalent shares include the effect of restricted stock, exercise of stock options and warrants and contingently issuable shares. Stock options and warrants that are out-of-the-money with exercise prices greater than the average market price of the underlying common shares and shares of performance based restricted stock where the contingency was
not
met are excluded from the computation of diluted EPS as the effect of their inclusion would be anti-dilutive.  For the
three
months ended
June 30, 2020
, 
0.1
million shares related to outstanding stock options were
not
included in the calculation of diluted EPS as they were considered anti-dilutive
.
For the
three
months ended
June 30, 2019
,
1.0
 million shares were
not
included in the calculation of diluted EPS as they were considered anti-dilutive, of which
0.2
 million relate to outstanding stock options, and
0.8
 million relate to outstanding warrants.
 
The following table reconciles the numerators and denominators of the earnings per share calculation for the 
three
months ended 
June 30, 2020
and 
2019
(in thousands, except per share data):
 
   
Three Months Ended June 30,
  
   
2020
    
2019
  
Numerator:
                
Net loss
   $
(3,417
 )   $
(3,539
 )
Denominator:
                
Weighted-average shares of common stock outstanding
    
22,827
      
21,499
  
Weighted-average shares subject to repurchase
    
(1,138
 )    
(985
 )
Shares used in per-share calculation ― basic
    
21,689
      
20,514
  
Shares used in per-share calculation ― diluted
    
21,689
      
20,514
  
Net loss per share ― basic
   $
(0.16
 )   $
(0.17
 )
Net loss per share ― diluted
   $
(0.16
 )   $
(0.17
 )