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Note 12 - Net Loss Per Share (Tables)
6 Months Ended
Mar. 31, 2016
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
 
 
Three Months Ended
 
 
Six Months Ended
 
(in thousands, except per share data)
 
March 31,
 
 
March 31,
 
 
 
2016
 
 
2015
 
 
2016
 
 
2015
 
Net loss
  $ (1,005 )   $ (2,073 )   $ (2,353 )   $ (4,183 )
Accrued dividends on convertible preferred stock
    (32 )     (30 )     (64 )     (51 )
Net loss applicable to common shareholders
  $ (1,037 )   $ (2,103 )   $ (2,417 )   $ (4,234 )
                                 
Weighted average common shares outstanding - basic
    5,268       4,272       5,216       4,307  
Effect of dilutive securities
    -       -       -       -  
Weighted average common shares outstanding - diluted
    5,268       4,272       5,216       4,307  
                                 
Net loss per share attributable to common shareholders:
                               
Basic and diluted
  $ (0.20 )   $ (0.49 )   $ (0.46 )   $ (0.98 )