Revenue Recognition Disaggregated Revenue (Tables)

6 Months Ended

Jun. 30, 2018

Disaggregation of Revenue [Abstract]

Disaggregation of Revenue [Table Text Block]

The following table presents revenues disaggregated by the major markets we serve:

	Three Months Ended				Six Months Ended
	June 30, 2018		June 30, 2017		June 30, 2018		June 30, 2017
Aero & Defense	$	6,024	$	4,675	$	11,127	$	9,332
Industrial	22,773		19,214		43,129		36,326
Medical	9,793		7,474		19,034		14,288
Telecom & IT	5,525		5,602		10,050		10,780
Transportation	73,906		68,721		148,211		135,114
Total	$	118,021	$	105,686	$	231,551	$	205,840