3. Summary of Significant Accounting Policies (Sept 2018 Note) (Details Narrative) - USD ($) |
Sep. 30, 2018 |
Mar. 31, 2018 |
Mar. 31, 2017 |
|---|---|---|---|
| Accounting Policies [Abstract] | |||
| Allowance for doubtful accounts | $ 26,000 | $ 17,000 | $ 14,000 |
| Allowance for potential discounts, returns, distributor fees and rebates | 1,103,000 | 1,275,000 | |
| Inventory reserves | $ 128,000 | $ 111,000 | $ 61,000 |
| X | ||||||||||
- Definition Allowance for potential discounts, returns, distributor fees and rebates No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of valuation reserve for inventory. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|