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Share-Based Payments (Detail Textuals 1) - USD ($)	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash received from exercise of option	$ 5,000	$ 16,000
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock options exercised	2,000	12,000
Number of stock options forfeited	8,000	67,000
Unrecognized compensation cost	$ 0	$ 10,000
Stock options | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price of stock options exercised	$ 1.20	$ 0.77
Exercise price of stock options forfeited	10.87	10.87
Stock options | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price of stock options exercised	4.18	4.18
Exercise price of stock options forfeited	$ 12.68	$ 14.36
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	$ 208,000
Number of shares awarded	39,000
Number of share granted employees maximum account reached	39,000
Number of performance shares forfeited	26,000
Weighted-average period expected to be recognized	1 year 4 months 24 days

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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