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Note 4 - Summary of Accounts Payable and Accrued Expenses (Details) - USD ($) | Sep. 30, 2016 | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | --- | ---
Legal | $ 10,723 | $ 186,936 | $ 51,120
Salaries |  | 41,166 |
Patent expense | 31,315 | 29,239 | 87,244
Research and development | 67,560 | 8,128 | 6,089
Payroll taxes and employee benefits |  | 6,222 |
Other | 21,113 | 7,564 | 1,280
Accounting and tax expenses | 857 |  |
| $ 131,568 | $ 276,532 | $ 145,733

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- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for patent costs. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References No definition available. + Details
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- Definition Carrying value as of the balance sheet date of obligations incurred and payable for statutory payroll taxes incurred through that date and withheld from employees pertaining to services received from them, including entity's matching share of the employees FICA taxes and contributions to the state and federal unemployment insurance programs and the carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References No definition available. + Details
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