Note 4 - Notes Receivable - Notes Receivable (Details) - USD ($) $ in Thousands	Nov. 30, 2020	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2017
Current portion	$ 72,611	$ 0
Non-current portion	23,405	92,679
Financing Receivable, after Allowance for Credit Loss, Total	$ 96,016	$ 92,679	$ 89,459	$ 0