Acquisitions and Divestitures (Details Textual) - USD ($)	1 Months Ended		3 Months Ended			9 Months Ended		12 Months Ended
	Dec. 31, 2014	Jun. 26, 2014	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2013
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross						$ 0	$ 500,000
Revenue, Net, Total			$ 10,239,000		$ 10,641,000	$ 29,745,000	31,758,000
Gain (Loss) on Disposition of Business				$ 200,000
Business Acquisition, Contingent Consideration, Gain Loss							500,000
Dichrotec [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross		$ 500,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares		690,000
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned		$ 1,700,000
Revenue, Net, Total								$ 1,900,000
Dilon [Member]
Business Acquisition [Line Items]
Proceeds from Sales of Business, Affiliate and Productive Assets	$ 4,700,000
Proceeds from (Repayments of) Debt							3,900,000
Gain (Loss) on Disposition of Business							$ 500,000