Fair Value (Details)	Mar. 09, 2020 ft²	Feb. 18, 2020 ft²	Nov. 30, 2020 USD ($)	Nov. 30, 2019 USD ($)
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Assets, transfers from Level 1 to Level 2			$ 0
Liabilities, transfers from Level 1 to Level 2			0
Assets, transfers from Level 2 to Level 1			0
Liabilities, transfers from Level 2 to Level 1			0
Interest rate swap liabilities			8,962,000	$ 4,052,000
3320 Maggie
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Area of building | ft²		108,000
170 Sunport
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Area of building | ft²	68,000
Warrant Liability
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Derivative liability			11,550,000
Contingent Value Rights Liability
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Derivative liability			681,000
Recurring basis | Significant Observable Inputs (Level 2)
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Interest rate swap liabilities			8,962,000	$ 4,052,000
Recurring basis | Level 3 | Warrant Liability
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Derivative liability			11,550,000
Recurring basis | Level 3 | Contingent Value Rights Liability
Financial assets and liabilities carried at fair value and measured at fair value on a recurring basis:
Derivative liability			$ 681,000