Note 10 - Accrued Expenses - Composition of Accrued Expenses (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Sep. 30, 2019
Payroll and employee-related expenses	$ 11,193	$ 8,447
Accrued property, sales and use tax payable	7,738	7,761
Accrued marketing expenses	994	477
Deferred revenue related to gift card sales	1,599	1,410
Other	1,139	966
Total accrued expenses	$ 22,663	$ 19,061