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Note 4 - Accounts Payable and Accrued Expenses (Tables) | 12 Months Ended
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Dec. 31, 2016
Notes Tables |
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] |
|  | December 31, 2016 |  |  | December 31, 2015 |
Legal |  | $ | 1,190 |  |  | $ | 186,936 |
Payroll and related |  |  | - |  |  |  | 47,388 |
Patent expense |  |  | 37,142 |  |  |  | 29,239 |
Research and development |  |  | 116,255 |  |  |  | 8,128 |
Other |  |  | 13,400 |  |  |  | 7,564 |
|  | $ | 167,987 |  |  | $ | 279,255 |

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- Definition Tabular disclosure of the (a) carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business (accounts payable); (b) other payables; and (c) accrued liabilities. 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). An alternative caption includes accrued expenses. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration