Note 10 - Accrued Expenses - Composition of Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Sep. 30, 2018
Accrued property, sales and use tax payable	$ 6,855	$ 7,043
Income tax payable	1,550	903
Payroll and employee-related expenses	10,302	6,992
Accrued marketing expenses	289	335
Deferred revenue related to gift card sales	1,554	1,453
Other	1,041	1,125
Total accrued expenses	$ 21,591	$ 17,851