Note 9 - Accrued Liabilities - Accrued Liabilities (Details) - USD ($) $ in Thousands |
Jun. 30, 2019 |
Dec. 31, 2018 |
|---|---|---|
| Accrued compensation and related | $ 224 | $ 417 |
| Accrued clinical study costs | 228 | 292 |
| Accrued research and other professional fees | 138 | 65 |
| Accrued taxes and other liabilities | 40 | 34 |
| Total accrued liabilities | $ 630 | $ 808 |
| X | ||||||||||
- Definition The amount of accrued clinical study costs classified as current. No definition available.
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| X | ||||||||||
- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees and accrued research. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). No definition available.
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| X | ||||||||||
- Definition The amount of accrued taxes and other liabilities classified as current. No definition available.
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| X | ||||||||||
- 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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| X | ||||||||||
- 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. 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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