Note 1 - Description of the Business and Summary of Significant Accounting Policies - Property and Equipment Useful Life (Details)	9 Months Ended	18 Months Ended
	Sep. 30, 2022	Jun. 30, 2022
Minimum [Member]
Gaming equipment (in years) (Year)		1 year
Maximum [Member]
Gaming equipment (in years) (Year)		6 years
Gaming Equipment [Member] | Minimum [Member]
Gaming equipment (in years) (Year)	1 year
Gaming Equipment [Member] | Maximum [Member]
Gaming equipment (in years) (Year)	5 years
Property, Plant and Equipment, Other Types [Member] | Minimum [Member]
Gaming equipment (in years) (Year)	3 years
Property, Plant and Equipment, Other Types [Member] | Maximum [Member]
Gaming equipment (in years) (Year)	6 years