Note 1 - Organization and Basis for Presentation (Tables)

6 Months Ended

Jun. 30, 2019

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three months ended June 30,				Six months ended June 30,
	2019		2018		2019		2018
	($ in thousands)				($ in thousands)
Americas	$	17,511	$	16,082	$	33,886	$	31,942
Europe, Middle East and Africa		10,014		9,074		20,027		17,829
Asia/Pacific Rim		1,958		1,864		4,049		3,243
Total	$	29,483	$	27,020	$	57,962	$	53,014