Supplemental Disclosures of Cash Flow Information (Details) - USD ($)	12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016
Supplemental Cash Flow Elements [Abstract]
Cash payments for interest, net	$ (88,000)	$ (147,000)	$ (64,000)
Cash payments for income tax, net	(227,000)	19,000	17,000
Acquisition of property and equipment under lease obligations	64,000	21,000	287,000
Accrued capital expenditures	83,000	411,000	59,000
Accrued capitalized software development costs	$ 201	$ 922,000	$ 959,000
Leasehold improvements acquired under operating lease arrangement	95	35	997