Restructuring Charges (Details Textual) - USD ($)	12 Months Ended		24 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 0	$ 311,000	$ 0	$ 450,000
Restructuring Charges (Textual) [Abstract]
Restructuring charges		264,000
2016 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	0	311,000	0
Restructuring Charges (Textual) [Abstract]
Restructuring charges	243,000		500,000
2016 Restructuring Plan [Member] | Severance and Employment Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	0	311,000	0	0
Restructuring Charges (Textual) [Abstract]
Restructuring charges	200,000	328,000
2016 Restructuring Plan [Member] | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve
2015 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 0		$ 0
2015 Restructuring Plan [Member] | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve				$ 450,000
Restructuring Charges (Textual) [Abstract]
Restructuring charges		$ 64,000