Note 5 - Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

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

	December 31,
	2019		2018
Salary and payroll tax accrual	$	8,691	$	13,393
Taxes payable		4,151		3,437
Current portion of operating lease liability		2,175		—
License fee obligation		1,000		1,000
Placement fees payable		8,346		2,490
Accrued other		10,477		6,339
Total accrued liabilities	$	34,840	$	26,659