Accounts Payable And Accrued Expenses (Details) - USD ($) |
Mar. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Accounts Payable And Accrued Expenses [Abstract] | |||
| Trade payables | $ 891,419 | $ 488,285 | $ 547,519 |
| Accrued expenses | 165,931 | 471,700 | 140,637 |
| Accrued research and development contract costs | 125,992 | 221,170 | 1,782,131 |
| Payroll liabilities | 53,665 | 84,576 | 682,263 |
| Total accounts payable and accrued expenses | $ 1,237,007 | $ 1,265,731 | $ 3,152,550 |
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- Definition Sum of the carrying values as of the balance sheet date of obligations incurred through that date, including liabilities incurred and payable to vendors for goods and services received, taxes, interest, rent and utilities, compensation costs, payroll taxes and fringe benefits (other than pension and postretirement obligations), contractual rights and obligations, and statutory obligations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Carrying value as of the balance sheet date of obligations incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of expenses incurred but not yet paid classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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