Recent Accounting Pronouncements - Impact of Adoption of ASU 2016-02 Leases (Topic 842) on Consolidated Financial Statements (Details) - USD ($) $ in Thousands		Feb. 29, 2020	Dec. 01, 2019	Nov. 30, 2019		Feb. 28, 2019	Nov. 30, 2018
Assets
Prepaid expenses and other assets		$ 2,381		$ 377	[1]
Operating lease assets		125
Total assets		172,726		165,712	[1]
Liabilities
Other liabilities		40		86	[1]
Operating lease liability		133
Total liabilities		118,144		123,599	[1]
Total stockholders' equity		54,582		42,113	[1]	$ (10,136)	$ 27,242
Total liabilities and stockholders' equity		$ 172,726		165,712	[1]
Net effect	[1]			$ 0
ASU 2016-02
Assets
Operating lease assets			$ 179
Liabilities
Operating lease liability			203
As reported under ASU 2016-02
Assets
Prepaid expenses and other assets			353
Operating lease assets			179
Total assets			165,868
Liabilities
Other liabilities			39
Operating lease liability			203
Total liabilities			123,755
Total stockholders' equity			42,113
Total liabilities and stockholders' equity			165,868
Net effect			0
Effect of change | ASU 2016-02
Assets
Prepaid expenses and other assets			24
Operating lease assets			132
Total assets			156
Liabilities
Other liabilities			(47)
Operating lease liability			203
Total liabilities			156
Total stockholders' equity			0
Total liabilities and stockholders' equity			156
Net effect			$ 0

[1] Derived from audited consolidated financial statements.