Business Combinations Contingent Consideration (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Payment of Contingent Consideration			$ 0	$ 611,000
BioMedical [Member]
Payment of Contingent Consideration		$ 611,000
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration Recorded in Income, Liability				$ (463,000)
Distribution & Storage [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Business Combination, Contingent Consideration Arrangements, Inception Amount Recorded During Reporting Period			1,800,000
Business Combination, Contingent Consideration, Liability, Ending Balance	$ 1,883,000		1,883,000
Thermax [Member]
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	75,000		122,000
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Business Combination, Contingent Consideration Arrangements, Inception Amount Recorded During Reporting Period			1,883,000		$ 1,761,000
Thermax [Member] | Minimum [Member]
Business Acquisition, Contingent Consideration, Potential Cash Payment	0		0
Thermax [Member] | Maximum [Member]
Business Acquisition, Contingent Consideration, Potential Cash Payment	$ 11,288		$ 11,288