4. Accounts Receivable (Details) - USD ($) |
Mar. 31, 2019 |
Mar. 31, 2018 |
|---|---|---|
| Receivables [Abstract] | ||
| Accounts receivable | $ 3,948,000 | $ 2,829,000 |
| Less: allowance for doubtful accounts | (24,000) | (17,000) |
| Less: discounts, rebates, distributor fees and returns | (443,000) | (1,275,000) |
| Accounts receivable, net | $ 3,481,000 | $ 1,537,000 |
| X | ||||||||||
- Definition Discounts, rebates, distributor fees and returns No definition available.
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| X | ||||||||||
- Definition Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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