v3.19.3

Note 5 - Other Balance Sheet Information | 6 Months Ended
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Jun. 30, 2019
Notes to Financial Statements |
Supplemental Balance Sheet Disclosures [Text Block] | Note 5. Other Balance Sheet Information Prepaid and other current assets consist of the following (in thousands):
|  | December 31, 2018 |  | June 30, 2019 |
Prepaid clinical trial expenses |  | $ | 5 |  | $ | 435 |
Equity issuance costs |  | — |  | 343 |
Prepaid insurance |  | — |  | 670 |
Other prepaid expenses |  | 5 |  | 174 |
Total prepaid and other current assets |  | $ | 10 |  | $ | 1,622 |
Accrued liabilities consist of the following (in thousands):
|  | December 31, 2018 |  | June 30, 2019 |
Payroll and related expenses |  | $ | 241 |  | $ | 508 |
Accrued term loan final payment |  | 421 |  | 569 |
Accrued clinical trial expense |  | — |  | 8 |
Professional fees and other costs |  | 195 |  | 395 |
Total accrued liabilities |  | $ | 857 |  | $ | 1,480 |

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- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -URI http://asc.fasb.org/topic&trid=2122208 + Details
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