Note 2 - Summary of Significant Accounting Policies (Tables)

9 Months Ended

Dec. 31, 2018

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three Months Ended				Nine Months Ended
	December 31, 2018		December 31, 2017		December 31, 2018		December 31, 2017
	(in thousands)
International revenues
Recurring revenues	$	1,715	$	1,839	$	5,236	$	5,158
Non-recurring revenues		595		810		1,286		1,930
Total international revenues		2,310		2,649		6,522		7,088
Domestic revenues
Recurring revenues		3,176		3,713		9,950		11,239
Non-recurring revenues		456		1,105		1,244		3,016
Total domestic revenues		3,632		4,818		11,194		14,255
Total revenues	$	5,942	$	7,467	$	17,716	$	21,343