Note 4 - Revenue Recognition (Details Textual)	3 Months Ended
	Mar. 31, 2023
Software Licensing and Delivery [Member] | Minimum [Member]
Revenue Recognition, Contract Term (Month)	12 months
Software Licensing and Delivery [Member] | Maximum [Member]
Revenue Recognition, Contract Term (Month)	36 months
Support Service [Member] | Minimum [Member]
Revenue Recognition, Contract Term (Month)	12 months
Support Service [Member] | Maximum [Member]
Revenue Recognition, Contract Term (Month)	36 months
Media [Member] | Minimum [Member]
Revenue Recognition, Contract Term (Month)	28 days
Media [Member] | Maximum [Member]
Revenue Recognition, Contract Term (Month)	3 years