Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Total
Balance at beginning of period at Nov. 30, 2018	$ 56	$ 112,071	$ (211)	$ 2,395	$ (19,483)	$ 94,828
Balance (in shares) at Nov. 30, 2018	5,635,706
Increase (Decrease) in Stockholders' Equity
Stock-based compensation expense		90				90
Net loss			(586)			(586)
Total other comprehensive income (loss), net of tax				(1,458)		(1,458)
Balance at end of period at Feb. 28, 2019	$ 56	112,161	(797)	937	(19,483)	92,874
Balance (in shares) at Feb. 28, 2019	5,635,706
Balance at beginning of period at Nov. 30, 2019	$ 57	113,256	919	(3,141)	(20,329)	90,762
Balance (in shares) at Nov. 30, 2019	5,668,043
Increase (Decrease) in Stockholders' Equity
Stock-based compensation expense		57				57
Net loss			(320)			(320)
Total other comprehensive income (loss), net of tax				(2,429)		(2,429)
Balance at end of period at Feb. 29, 2020	$ 57	$ 113,313	$ 599	$ (5,570)	$ (20,329)	$ 88,070
Balance (in shares) at Feb. 29, 2020	5,668,043