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Selected Balance Sheet Information | 12 Months Ended
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Dec. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Supplemental Balance Sheet Disclosures [Text Block] | 3. Selected Balance Sheet Information PREPAID EXPENSES AND OTHER CURRENT ASSETS:
|  | December 31, 2018 |  |  | December 31, 2017 |
Prepaid insurances |  | $ | 419 |  |  | $ | 351 |
Prepaid consulting, subscriptions and other expenses |  |  | 132 |  |  |  | 290 |
Prepaid conferences, travel |  |  | 42 |  |  |  | 94 |
Prepaid clinical research organizations |  |  | - |  |  |  | 46 |
Clinical consulting services refund receivable |  |  | - |  |  |  | 46 |
Total |  | $ | 593 |  |  | $ | 827 |
Prepaid CRO expense is classified as a current asset. The Company makes payments to the clinical research organizations based on agreed upon terms that include payments in advance of study services. PROPERTY AND EQUIPMENT
|  | December 31, 2018 |  |  | December 31 2017 |
Computers and office equipment |  | $ | 852 |  |  | $ | 851 |
Leasehold improvements |  |  | 439 |  |  |  | 439 |
Software |  |  | 11 |  |  |  | 11 |
|  |  | 1,302 |  |  |  | 1,301 |
Less: accumulated depreciation and amortization |  |  | (695 | ) |  |  | (429 | )
Total |  | $ | 607 |  |  | $ | 872 |
ACCRUED EXPENSES |  |  |  |  |  |
|  |  | December 31, 2018 |  |  |  | December 31, 2017 |
Accrued clinical consulting services |  | $ | 674 |  |  | $ | 658 |
Accrued vendor payments |  |  | 150 |  |  |  | 193 |
Accrued manufacturing costs |  |  | 83 |  |  |  | 661 |
Other accrued expenses |  |  | 12 |  |  |  | 14 |
Total |  | $ | 919 |  |  | $ | 1,526 |
ACCRUED EMPLOYEE BENEFITS
|  | December 31, 2018 |  |  | December 31, 2017 |
Accrued bonus expense |  | $ | 907 |  |  | $ | 1,283 |
Accrued severance |  |  | 307 |  |  |  | 590 |
Accrued vacation expense |  |  | 118 |  |  |  | 201 |
Total |  | $ | 1,332 |  |  | $ | 2,074 |

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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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