Note 12 - Segment Reporting (Tables)

9 Months Ended

Sep. 30, 2015

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

2015	CVD		SDC		Eliminations *			Consolidated
Revenue	$	9,373,890	$	1,445,257	$	(173,323	)	$	10,645,824
Pretax income		687,094		167,539					854,633
2014
Revenue	$	7,693,131	$	1,810,328	$	(636,301	)	$	8,867,158
Pretax income		807,397		389,532					1,196,929

2015	CVD		SDC		Eliminations *			Consolidated
Revenue	$	27,921,375	$	4,676,210	$	(1,825,164	)	$	30,772,421
Pretax income		2,322,739		1,219,238					3,541,977
2014
Revenue	$	16,339,298	$	4,137,957	$	(1,117,708	)	$	19,359,547
Pretax income		410,301		878,648					1,288,949