F. ACCRUED LIABILITIES AND EXPENSES (Details) - USD ($) |
Mar. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
|---|---|---|---|
| Accrued liabilities and expenses | |||
| Accrued liabilities and expenses | $ 106,915 | $ 214,925 | |
| Accrued payroll and payroll taxes | 265,309 | 227,153 | |
| Accrued sales taxes, penalties, and interest | 8,890 | 26,957 | |
| Product warranties | 61,742 | 58,791 | $ 46,103 |
| Total accrued liabilities and expenses | $ 442,856 | $ 527,826 |
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- Definition Accrued liabilities and expenses [Abstract] No definition available.
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- Definition Amount of liabilities incurred and payable to vendors for goods and services received, and accrued liabilities classified as other. No definition available.
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- Definition Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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