Note 12 - Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2013

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

2013	CVD			SDC		Eliminations *			Consolidated
Revenue	$	2,691,756		$	869,689	$	(111,427	)	$	3,450,018
Pretax (loss)		(915,304	)		12,918					(902,386	)
2012
Revenue	$	6,216,999		$	1,473,941	$	(535,989	)	$	7,154,951
Pretax income		822,188			237,608					1,059,796