Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Aug. 31, 2020	Aug. 31, 2019
Operating activities:
Net (loss) income	$ (1,654)	$ 6,250
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	10,188	8,806
Noncash rental revenue including straight-line rents	(1,798)	(1,329)
Gain on sales of properties	(825)	(7,829)
Deferred income taxes	(562)	689
Change in fair value of financial instruments	414
Stock-based compensation expense	385	205
Amortization of debt issuance costs	321	211
Other		(182)
Changes in assets and liabilities:
Other assets	(3,525)	(2,405)
Accounts payable and accrued liabilities	953	(355)
Deferred revenue	1,847	2,409
Other liabilities	(1,423)	213
Net cash provided by operating activities	4,321	6,683
Investing activities:
Acquisitions of land and buildings	(13,670)
Additions to real estate assets	(10,172)	(21,805)
Deferred leasing costs and other	(1,212)	(462)
Proceeds from sales of properties, net of expenses	1,094	9,475
Changes in short-term investments, net	1,011	7,989
Proceeds from sales of properties deposited in escrow		(2,217)
Net cash used in investing activities	(22,949)	(7,020)
Financing activities:
Proceeds from sale of common stock	27,281
Proceeds from mortgage loans	26,600	1,265
Principal payments on mortgage loans	(6,650)	(2,896)
Net repayments on revolving lines of credit	(5,875)
Dividends paid to stockholders	(2,538)	(2,279)
Proceeds from sale of warrants	2,018
Payment of debt issuance costs	(525)	(33)
Proceeds from exercise of stock options	210	98
Net cash provided by (used in) financing activities	40,521	(3,845)
Net increase (decrease) in cash and cash equivalents	21,893	(4,182)
Cash and cash equivalents at beginning of period	5,874	8,592
Cash and cash equivalents at end of period	$ 27,767	$ 4,410