Note 16 - Business Segments and Geographic Reporting (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Mar. 31, 2023
Revenue from Contract with Customer, Excluding Assessed Tax	$ 31,245	$ 27,309	$ 87,541	$ 74,063
PodastOne Segment [Member]
Assets, Noncurrent	300		300
Slacker Segment [Member]
Assets, Noncurrent	2,800		2,800
Media Operations [Member]
Assets, Noncurrent	600		600
Original Equipment Manufacturer OEM [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 15,500	$ 11,400	$ 43,600	$ 32,100
Original Equipment Manufacturer OEM [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member]
Concentration Risk, Percentage			33.00%		24.00%