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Income Taxes (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Deferred tax assets:    
Compensation $ 1,059 $ 1,253
Allowance for doubtful accounts 607 950
Lease obligations - closed clinics 39 139
Depreciation and amortization   58
Other 22 26
Deferred tax assets 1,727 2,426
Deferred tax liabilities:    
Depreciation and amortization (2,166)  
Other (575) (478)
Deferred tax liabilities (2,741) (478)
Net deferred tax assets (liabilities) (1,014) 1,948
Amount included in:    
Other current assets 590 896
Other assets   1,052
Long term liabilities $ (1,604)