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Note 5 - Prepaid Expenses | 12 Months Ended
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Dec. 31, 2018
Notes to Financial Statements |
Prepaid Expenses [Text Block] | NOTE 5: PREPAID EXPENSES Prepaid expenses consisted of the following:
|  | December 31, |  |  | December 31, |
|  | 2018 |  |  | 2017 |
Prepaid insurance |  | $ | 160,576 |  |  | $ | 125,056 |
Prepaid research and development |  |  | 218,090 |  |  |  |  |
Professional services |  |  | 110,094 |  |  |  | 97,788 |
Retainer and security deposits |  |  | 16,718 |  |  |  | 14,218 |
Other |  |  | 4,355 |  |  |  | 13,882 |
Total prepaid expenses |  | $ | 509,833 |  |  | $ | 250,944 |

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