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Note 5 - Property and Equipment	9 Months Ended
	Sep. 30, 2018
Notes to Financial Statements
Property, Plant and Equipment Disclosure [Text Block]	5. Property and Equipment In August 2018, the Company sold property in Houston, Texas for net proceeds of $5.8  million, resulting in a gain of $2.8 million.

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- References

No definition available.

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- Definition

The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-URI http://asc.fasb.org/topic&trid=2155823

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