Note 2 - Revenue Recognition - Disaggregation of Revenue by Type (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Revenues	$ 70,187	$ 79,312
Revenues, percentage	100.00%	100.00%
Revenues, variance	$ (9,125)
Revenues, variance, percentage	(11.50%)
Internet [Member]
Revenues	$ 60,295	$ 66,447
Revenues, percentage	85.90%	83.80%
Revenues, variance	$ (6,152)
Revenues, variance, percentage	(9.30%)
Contact Center [Member]
Revenues	$ 9,892	$ 12,865
Revenues, percentage	14.10%	16.20%
Revenues, variance	$ (2,973)
Revenues, variance, percentage	(23.10%)
Reorder Customer [Member]
Revenues	$ 63,339	$ 68,700
Revenues, percentage	90.20%	89.40%
Revenues, variance	$ (7,598)
Revenues, variance, percentage	(10.70%)
Reorder Customer [Member] | Previously Reported [Member]
Revenues		$ 70,937
New Order Customer [Member]
Revenues	$ 6,848	$ 10,600
Revenues, percentage	9.80%	10.60%
Revenues, variance	$ (1,527)
Revenues, variance, percentage	(18.20%)
New Order Customer [Member] | Previously Reported [Member]
Revenues		$ 8,375