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Note 14 - Segment Reporting (Tables)

9 Months Ended

Sep. 30, 2012

Reconciliation of Revenue from Segments to Consolidated [Table Text Block]

2012		CVD				SDC				Eliminations *				Consolidated
Revenue		$	4,024,555			$	881,127			$	(209,273	)		$	4,696,409
Pretax income			195,198				97,697								292,895
2011
Revenue		$	7,669,449			$	1,394,654			$	(220,009	)		$	8,844,094
Pretax income			1,272,190				162,096								1,434,286

2012		CVD				SDC				Eliminations *				Consolidated
Revenue		$	16,746,884			$	3,332,020			$	(1,133,759	)		$	18,945,145
Pretax income			1,417,711				415,620								1,833,331
2011
Revenue		$	19,863,690			$	4,080,332			$	(1,386,511	)		$	22,557,511
Pretax income			2,982,628				526,053								3,508,681

X

- Definition

Tabular disclosure of all significant reconciling items in the reconciliation of total revenues from reportable segments to the entity's consolidated revenues.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 31

-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8924-108599



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 30

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8906-108599



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 32

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration