Note 11 - Accrued Expenses and Other Current Liabilities (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	December 31
	2018		2017
Salaries, bonus and benefits	$	2,451	$	2,768
Engineering related expenses		572		386
Legal and audit fees		332		310
Shipping expenses		102		101
Withholding tax payable		96		108
Value-added tax payable		77		46
Promotional expenses		50		41
Payable for acquisition of equipment		3		96
Other accrued expenses		498		523
Total	$	4,181	$	4,379