Note 5 - Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

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

	March 31, 2020		December 31, 2019
Salary and payroll tax accrual	$	3,926	$	8,691
Taxes payable		3,246		4,151
Current portion of operating lease liability		2,185		2,175
License fee obligation		1,000		1,000
Placement fees payable		6,314		8,346
Accrued other		7,206		10,477
Total accrued liabilities	$	23,877	$	34,840