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Note G - Acquisition (Details) (Bayou City Pump, Inc. [Member], USD $) In Millions, unless otherwise specified		12 Months Ended
	Jun. 30, 2014 Loans Payable [Member]	Dec. 31, 2013
Note G - Acquisition (Details) [Line Items]
Business Acquisition, Revenue Reported by Acquired Entity for Last Annual Period		$ 16
Debt Instrument, Face Amount	$ 18.0

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Balance Type:	na
Period Type:	duration

X

- Definition

Total revenue reported by the acquired entity for its previous full fiscal year before the business acquisition.

+ References

No definition available.

+ Details

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

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