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Prepaid Expenses and Other Current Assets | 12 Months Ended
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Dec. 31, 2017
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Prepaid Expenses and Other Current Assets | Note 3 - Prepaid Expenses and Other Current Assets Prepaid expenses and other current assets consisted of the following at December 31, 2017 and 2016:
|  | December 31, |  |  | December 31, |
|  | 2017 |  |  | 2016 |
Prepaid insurance |  | $ | 72,371 |  |  | $ | 332,809 |
Prepaid clinical trial expenses |  |  | 226,997 |  |  |  | 1,093,441 |
Other prepaid expenses |  |  | 139,954 |  |  |  | 410,201 |
Total prepaid expenses and other current assets |  | $ | 439,322 |  |  | $ | 1,836,451 |

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