Restructuring and Related Charges (Details)	6 Months Ended
	Sep. 30, 2016 USD ($)
Restructuring Reserve [Roll Forward]
Balance at March 31, 2013	$ 311,000
Provision	0
Payments for restructuring, severance and other charges	(294,000)
Balance at December 31, 2013	17,000
Severance and employment costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	200,000
Severance and employment costs [Member] | Restructuring Plan Fiscal Two Zero One Five [Member]
Restructuring Reserve [Roll Forward]
Balance at March 31, 2013	311,000
Provision	0
Payments for restructuring, severance and other charges	(294,000)
Balance at December 31, 2013	$ 17,000