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Discontinued operations (Tables)
 9 Months Ended
Jun. 30, 2012
Discontinued Operations and Disposal Groups [Abstract]  
Summary of Discontinued Operations
Discontinued operations summary  Three Months ended Nine Months ended
 (in thousands) June 30, June 30,
  2012 2011 2012 2011
         
Revenue  $    15      15      45      45
Operating expenses        2     (18)      27    (278)
Gain on sale before taxes        -       -       -   4,665
Income before income taxes  $    13      33      18   4,988
Permanent tax benefit        -        -       -   2,053
Provision for income taxes       (5)     (13)      (7)  (1,916)
Income from discontinued operations  $     8      20      11   5,125
Bargain sale discontinued operations
Amounts included in discontinued operations  Three Months ended Nine Months ended
 for the bargain sale (in thousands) June 30, June 30,
  2012 2011 2012 2011
         
Revenue  $     -      -        -        -  
Operating expenses      -        -        -        -  
Gain on sale before taxes        -        -        -    4,665
Income before income taxes  $     -      -        -      4,665
Permanent tax benefit        -        -        -    2,053
Provision for income taxes        -        -        -   (1,792)
Income from discontinued operations  $     -        -        -    4,926
Discontinued operations balance sheet components
Discontinued operations balance sheet components  June 30, September 30,
 (in thousands) 2012 2011
Accounts receivable  $         -            3
Deferred income taxes            2            4
Property and equipment, net           99          107
Assets of discontinued operations  $       101          114
     
Accrued payroll and benefits  $         2            2
Accrued liabilities, other            -            3
Insurance liabilities           18           29
Liabilities of discontinued operations  $        20           34