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Note 1 - Summary of Business and Significant Accounting Policies - Summary of Useful Lives Used in Computing Depreciation and Amortization (Details)	12 Months Ended
	Dec. 31, 2016
Building [Member]
Property, plant and equipment, useful life (Year)	39 years
Equipment [Member] | Minimum [Member]
Property, plant and equipment, useful life (Year)	5 years
Equipment [Member] | Maximum [Member]
Property, plant and equipment, useful life (Year)	15 years
Land Improvements [Member] | Minimum [Member]
Property, plant and equipment, useful life (Year)	5 years
Land Improvements [Member] | Maximum [Member]
Property, plant and equipment, useful life (Year)	15 years
Furniture and Fixtures [Member] | Minimum [Member]
Property, plant and equipment, useful life (Year)	3 years
Furniture and Fixtures [Member] | Maximum [Member]
Property, plant and equipment, useful life (Year)	10 years
Leasehold Improvements [Member] | Minimum [Member]
Property, plant and equipment, useful life (Year)	3 years
Leasehold Improvements [Member] | Maximum [Member]
Property, plant and equipment, useful life (Year)	10 years
Other Transportation Equipment [Member]
Property, plant and equipment, useful life (Year)	5 years

X

- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

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X

- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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X

- Details

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X

- Details

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