Note 11 - Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2016

Notes Tables

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

2016	CVD			SDC		Eliminations *			Consolidated
Revenue	$	4,092,781		$	923,979	$	(13,327	)	$	5,003,433
Pretax (loss)/income		(605,594	)		64,151					(541,443	)
2015
Revenue	$	8,578,372		$	1,404,057	$	(289,985	)	$	9,692,444
Pretax income		789,087			400,062					1,189,149