| Property & Equipment, Net (Details Textual) - USD ($) | 3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
| Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | |
| Property and Equipment, Net (Textual) | ||||
| Depreciation expenses | $ 9,000 | $ 3,000 | $ 19,000 | $ 6,000 | 
| X | ||||||||||
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- References No definition available. 
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| X | ||||||||||
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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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