Supplemental Disclosures of Cash Flow Information (Details) - USD ($)	12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
Supplemental Cash Flow Elements [Abstract]
Cash (received) payments for interest, net	$ (64,000)	$ (62,000)	$ 110,000
Cash payments from income tax, net	17,000	19,000	485,000
Acquisition of property and equipment under lease obligations	287,000	0	410,000
Capital Expenditures Incurred but Not yet Paid	59,000	148,000	141,000
Construction in Progress Expenditures Incurred but Not yet Paid	$ 959	$ 3,764,000	$ 2,416,000
Noncash Investing and Financing Activities Related Text	997	0	0