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Note 1 - Useful Lives of Property and Equipment (Details)	12 Months Ended
	Dec. 31, 2015
Vehicles [Member] | Minimum [Member]
Property and equipment	3 years
Vehicles [Member] | Maximum [Member]
Property and equipment	5 years
Furniture and Fixtures [Member] | Minimum [Member]
Property and equipment	3 years
Furniture and Fixtures [Member] | Maximum [Member]
Property and equipment	7 years
Machinery and Equipment [Member] | Minimum [Member]
Property and equipment	3 years
Machinery and Equipment [Member] | Maximum [Member]
Property and equipment	12 years
Building and Building Improvements [Member] | Minimum [Member]
Property and equipment	5 years
Building and Building Improvements [Member] | Maximum [Member]
Property and equipment	40 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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Details

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Namespace Prefix:
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Balance Type:
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X

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

X

- Details

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X

- Details

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X

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
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