Note 9 - Income Taxes (Detail) - Income Tax Reconcilliation (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Computed "expected" income tax expense	$ 4,340	$ (5,754)	$ 3,312
State income taxes, net of federal income tax effect	409	(559)	322
Per diem allowances	2,550	3,015	3,350
Tax contingency accruals	(444)	(70)	145
Nondeductible foreign operating income			(133)
Nondeductible goodwill impairment		2,275
Valuation allowance (release), net	(251)	(708)	(638)
Disallowed interest release			(48)
Tax credits	(407)	(61)	(182)
Other, net	138	(310)	47
Actual income tax expense	$ 6,335	$ (2,172)	$ 6,175

The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to changes in the valuation allowance for deferred tax assets in the period.

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