Accounting for Stock-Based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands					1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 28, 2023	Feb. 06, 2023	Mar. 01, 2022	Jul. 08, 2019	Jul. 31, 2023	Nov. 30, 2023	Nov. 30, 2022	Nov. 30, 2023	Nov. 30, 2022	Feb. 28, 2015
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock based compensation expense								$ 643	$ 407
Annual salary	$ 750
Cash equivalents	250
Allocated share-based compensation expense						$ 177
Patrick M. Lavelle [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Annual salary and cash bonus				$ 1,000
Stock based compensation expense							$ 69		69
Grant of market stock units maximum amount				$ 5,000
Maximum average stock price of grant market stock units				$ 5.49
Maximum increase amount of market stock units award				$ 5,000
Maximum threshold share price increases in value of award				$ 15
Estimated Maximum threshold share increases in value of award				333,333
Share-Based compensation arrangement by share based payment award grant of market stock units, vesting percentage			80.00%
Share-based compensation arrangement by share based payment award grant of market stock units vesting amount									4,000
Percentage of market stock units, remain outstanding								20.00%
Patrick M. Lavelle [Member] | Common Class A [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period				5 years
Stock based compensation expense						0	0	$ 0	0
Allocated share-based compensation expense						40
Patrick M. Lavelle [Member] | Common Class A [Member] | March 1, 2021 [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Additional grant of shares under employment agreement				100,000
Patrick M. Lavelle [Member] | Common Class A [Member] | March 1, 2020 [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Additional grant of shares under employment agreement				100,000
Patrick M. Lavelle [Member] | Common Class A [Member] | March 1, 2022 [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Additional grant of shares under employment agreement				100,000
President [Member] | Common Class A [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based Compensation arrangement by share-based payment award, equity instruments other than options, grants in period, weighted average grant date fair value		$ 10.66
Annual salary		$ 300
Allocated share-based compensation expense						0		0
President [Member] | Common Class A [Member] | Seventh Year [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Additional grant of shares under employment agreement		20,000
Ms. Shelton
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Cash equivalents	$ 100
Ms. Shelton | Common Class A [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award vesting period				5 years
Allocated share-based compensation expense						16
Restricted Stock [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Allocated share-based compensation expense							$ 145	643	$ 407
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized						$ 1,160		$ 1,160
2014 Plan [Member] | Restricted Stock Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, expiration period										3 years
Share-based payment award vesting age of employee										65 years
Share-based Compensation arrangement by share-based payment award, equity instruments other than options, grants in period, weighted average grant date fair value								$ 9.89
Stock grants vested								113,790
Vested and unsettled awards, weighted average fair value								$ 6.43
2014 Plan [Member] | Restricted Stock Units [Member] | Employees [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock issued during period, shares, restricted stock award, gross					18,116
Share-based Compensation arrangement by share-based payment award, equity instruments other than options, grants in period, weighted average grant date fair value					$ 9.89
2014 Plan [Member] | Restricted Stock Units [Member] | Minimum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based payment award vesting required service period										10 years
2014 Plan [Member] | Unsettled Stock Grants and RSU Awards [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock grants vested								605,295
Vested and unsettled awards, weighted average fair value								$ 6.23
2012 Equity Incentive Plan [Member] | Patrick M. Lavelle [Member] | Common Class A [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Grant of initial shares under employment agreement				200,000