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Income Taxes (Details 3) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Jun. 30, 2011
Deferred tax assets:    
Bad debt reserve $ 468 $ 558
Paid-time-off accrual 520 429
Insurance reserve 2,150 2,422
Legal reserve 488 263
Net operating loss benefit and credit carryforwards 3,788 4,102
Valuation allowance (230) (774)
Accrued compensation and pension 759 725
Stock compensation expense on nonvested deferred shares 1,189 821
Accrued losses 298 197
Other-net 150 132
Total deferred tax assets 9,580 8,875
Deferred tax liabilities:    
Tax over book depreciation 8,512 7,872
Other-net 1,119 1,185
Total deferred tax liabilities 9,631 9,057
Net deferred tax (liability) $ (51) $ (182)