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Note 10 - Operating Segments
 3 Months Ended
Dec. 31, 2011
Segment Reporting Disclosure [Text Block]
Note 10 - Operating Segments

     Summarized financial information for the Company’s reportable segments is shown in the following table:

   
Reportable segments
       
 
 
Traditional
business
   
Sustain
   
Total
 
                   
Three months ended December 31, 2011
                 
Revenues
  $ 7,212,000     $ 708,000     $ 7,920,000  
Pretax income (loss)
    3,030,000       (444,000 )     2,586,000  
Income tax benefit (expense)
    (1,030,000 )     150,000       (880,000 )
Net income (loss)
    2,000,000       (294,000 )     1,706,000  
Total assets
    97,035,000       731,000       97,766,000  
Capital expenditures
    114,000       ---       114,000  
Depreciation and amortization
    113,000       6,000       119,000  
                         
Three months ended December 31, 2010
                       
Revenues
  $ 8,484,000     $ 811,000     $ 9,295,000  
Pretax income (loss)
    3,676,000       (287,000 )     3,389,000  
Income tax benefit (expense)
    (1,320,000 )     115,000       (1,205,000 )
Net income (loss)
    2,356,000       (172,000 )     2,184,000  
Total assets
    100,592,000       576,000       101,168,000  
Capital expenditures
    26,000       ---       26,000  
Depreciation and amortization
    129,000       7,000       136,000