Supplemental Disclosures of Cash Flow Information (Details) - USD ($)	12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2015
Supplemental Cash Flow Elements [Abstract]
Cash (receipts) payments for interest, net	$ (147,000)	$ (64,000)	$ (62,000)
Cash payments for income tax, net	19,000	17,000	19,000
Acquisition of property and equipment under lease obligations	21,000	287,000	0
Accrued capital expenditures	411,000	59,000	148,000
Accrued capitalized software development costs	$ 922	$ 959,000	$ 3,764,000
Leasehold improvements acquired under operating lease arrangement	35	997	0