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Note 7 Results of Operations by Quarter (Unaudited)
 12 Months Ended
Sep. 30, 2017
Notes to Financial Statements  
Quarterly Financial Information [Text Block]
7.
RESULTS OF OPERATIONS BY QUARTER (UNAUDITED)
 
   
Quarter ended
  
   
December 31
    
March 31
    
June 30
    
September 30
  
   
(in thousands except per share amounts)
 
2017
                                
Revenues
   $
9,990
     $
10,279
     $
10,201
     $
10,914
  
Costs and expenses
    
12,843
      
13,545
      
13,834
      
14,329
  
Loss from operations
    
(2,853
 )    
(3,266
 )    
(3,633
 )    
(3,415
 )
Other income, net
    
1,072
      
2,005
      
817
      
1,205
  
Income (loss) before taxes
    
(1,781
 )    
(1,261
 )    
(2,816
 )    
(2,210
 )
Benefits from income taxes
    
310
      
4,240
      
1,465
      
1,135
  
Net income (loss)
    
(1,471
 )    
2,979
      
(1,351
 )    
(1,075
 )
Basic and diluted net income (loss) per share
    
(1.07
 )    
2.16
      
(.98
 )    
(.77
 )
2016
                                
Revenues
   $
10,815
     $
11,442
     $
10,338
     $
9,017
  
Costs and expenses
    
11,777
      
12,018
      
12,120
      
12,337
  
Loss from operations
    
(962
 )    
(576
 )    
(1,782
 )    
(3,320
 )
Other income, net
    
827
      
728
      
1,159
      
948
  
Income (loss) before taxes
    
(135
 )    
152
      
(623
 )    
(2,372
 )
Benefits from income taxes
    
185
      
55
      
285
      
1,410
  
Net income (loss)
    
50
      
207
      
(338
 )    
(962
 )
Basic and diluted net income (loss) per share
    
.04
      
.15
      
(.25
 )    
(.70
 )