| 17. Employee Benefit Plan (Details Narrative) - USD ($) | 12 Months Ended | |
|---|---|---|
| Mar. 31, 2021 | Mar. 31, 2020 | |
| Retirement Benefits [Abstract] | ||
| Company contributions to 401(k) plan | $ 89,000 | $ 155,000 | 
| X | ||||||||||
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- References No definition available. 
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| X | ||||||||||
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- Definition Amount of cash outflow for pension and other postretirement benefits. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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