Quarterly Results of Operations (unaudited) (Details Textual) (USD $)	3 Months Ended			12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Effect of Fourth Quarter Events [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent				$ 9,100,000
Additional Expenses On Claims			534,000
Goodwill impairment	2,900,000				2,884,000
Income Tax Discrete Item		300,000				(600,000)
Sale of Customer Networking Solutions Assets [Member]
Effect of Fourth Quarter Events [Line Items]
Litigation Settlement, Amount		$ 900,000