Acquisitions and Divestitures (Details Textual) - USD ($)		1 Months Ended		12 Months Ended
	Nov. 07, 2013	Jun. 26, 2014	Dec. 23, 2013	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2013
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross				$ 0	$ 500,000
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable		$ 1,700,000
Revenue, Net, Total				40,536,000	42,309,000
Repayments of Other Debt				4,000,000
Gain (Loss) on Disposition of Business					$ 1,300,000
Dichrotec [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross				$ 500,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares				700,000
Machinery and Equipment, Gross		1,600,000
Inventory, Gross		$ 100,000
Revenue, Net, Total						$ 1,900,000
Dilon [Member]
Business Acquisition [Line Items]
Proceeds from Sales of Business, Affiliate and Productive Assets			$ 3,500,000
Escrow Deposit			$ 250,000
Protec [Member]
Business Acquisition [Line Items]
Proceeds from Sales of Business, Affiliate and Productive Assets	$ 1,200,000
Repayment Of Accounts Receivable	$ 500,000