Note 2 - Revenue (Tables)

3 Months Ended

Mar. 31, 2019

Notes Tables

Disaggregation of Revenue [Table Text Block]

Three months ended March 31, (in thousands)	2019		2018
License	$	800	$	95
Professional services		3,964		2,109
Processing and maintenance		1,811		1,624
Third party		391		230
Total	$	6,966	$	4,058

Three months ended March 31, (in thousands)	2019		2018
European Union	$	1,219	$	836
United States		5,747		3,222
Total	$	6,966	$	4,058

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

	Three Months Ended March 31,
	2019			2018
Customer A		47.8	%		27.3	%
Customer B		17.1	%		20.3	%
Customer C		2.7	%		11.1	%