Note 7 - Accounts Payable and Accrued Expenses (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

	December 31, 2019		March 31, 2020
Accounts payable and accrued expense	$	346	$	430
Accrued interest		123		203
Accrued payroll		133		179
Total accounts payable and accrued expenses	$	602	$	812