Note 6 - Other Accrued Expenses and Liabilities

9 Months Ended

Sep. 30, 2017

Notes to Financial Statements

Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block]

  6. Other Accrued Expenses and Liabilities

Other accrued expenses and liabilities consisted of the following:

	September 30, 2017		December 31, 2016
Accrued interest payable	$	36,029	$	29,359
Accrued Series A dividends		725,774		—
Accrued payroll and payroll related expenses		398,859		399,740
Accrued professional fees		114,268		72,855
Accrued clinical studies expenses		88,175		220,978
Other accrued expenses		52,602		151,332
Total	$	1,415,707	$	874,264