Note 5 - Other Accrued Expenses and Liabilities

6 Months Ended

Jun. 30, 2017

Notes to Financial Statements

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

5. Other Accrued Expenses and Liabilities

Other accrued expenses and liabilities consisted of the following:

	June 30, 2017		December 31, 2016
Accrued interest payable	$	119,975	$	29,359
Accrued Series A dividends		475,414		—
Accrued payroll and payroll related expenses		251,465		399,740
Accrued professional fees		340,481		72,855
Accrued clinical studies expenses		27,071		220,978
Other accrued expenses		18,290		151,332
Total	$	1,232,696	$	874,264