Note 2 - Summary of Significant Accounting Policies 1 (Details Textual) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Goodwill, Impairment Loss	$ 0		$ 0
Finite-Lived Intangible Asset, Useful Life (Year)	7 years 8 months 12 days
Gain (Loss), Foreign Currency Transaction, before Tax	$ 300	$ 200
Cash	7,800		10,800
Prepaid Expense, Current	5,300		7,100
Capitalized Contract Cost, Amortization	4,200	3,000
Capitalized Contract Cost, Net	47,794		48,553
Revenue from Contract with Customer, Excluding Assessed Tax	59,572	50,291
Contract with Customer, Liability	99,189		$ 101,490
Contract with Customer, Liability, Revenue Recognized	35,000
Revenue, Remaining Performance Obligation, Amount	$ 238,600
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member]
Open Tax Year	2019
State and Local Jurisdiction [Member]
Open Tax Year	2022
Foreign Tax Authority [Member]
Open Tax Year	2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022
Termed License and Support [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 10,904	10,202
Termed License and Support [Member] | SaaS [Member
Revenue, Remaining Performance Obligation, Amount	186,400
Transferred at Point in Time [Member] | Termed License and Support [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 5,900	$ 6,200
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	1 year
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	10 years