Note 7 - Accounts Payable and Accrued Expenses (Tables)

3 Months Ended

Mar. 31, 2019

Notes Tables

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

	December 31, 2018		March 31, 2019
Accounts payable and accrued expense	$	302	$	370
Accrued interest		122		151
Accrued payroll		77		110
Total accounts payable and accrued expenses	$	501	$	631