Business Segments and International Operations (Details) $ in Thousands	12 Months Ended
	Nov. 30, 2023 USD ($) segment	Nov. 30, 2022 USD ($)	Nov. 30, 2021 USD ($)
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of reportable segments | segment	1
Long-lived assets	$ 15,225	$ 14,927
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	8,200	7,600	$ 22,100
Outside United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 7,000	$ 7,300	$ 7,500