Note 5 - Revenue from Contracts with Customers (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]

	(in thousands)
2021 (remaining nine months)	$	84,748
2022		82,466
2023		47,585
2024		4,255
2025		1,613
2026 and thereafter		194
Total	$	220,861

Disaggregation of Revenue [Table Text Block]

	Three Months Ended
	March 31,
	2021		2020
	(in thousands)
Direct	$	57,952	$	50,005
Partner		38,804		36,258
Total	$	96,756	$	86,263

Contract With Customer, Commission Asset Balances [Table Text Block]

	March 31, 2021		December 31, 2020
	(in thousands)
Commission asset, current	$	3,622	$	3,459
Commission asset, noncurrent	$	6,886	$	6,906