Annual report pursuant to Section 13 and 15(d)

Acquisition - Summary of Preliminary Allocation of Total Purchase Price (Detail)

v3.19.3.a.u2
Acquisition - Summary of Preliminary Allocation of Total Purchase Price (Detail) - USD ($)
Nov. 30, 2019
Nov. 30, 2018
Jun. 11, 2018
Business Acquisition [Line Items]      
Goodwill $ 1,941,411 $ 1,941,411  
Blood Bank Inc and Tianhe Stem Cell Biotechnologies Inc [Member]      
Business Acquisition [Line Items]      
Accounts receivable     $ 188,019
Inventory     16,037,957
Prepaid expenses     68,867
Property and equipment     568,407
Other asset - Tianhe capital stock     308,000
Total identifiable net assets acquired     18,162,250
Less: Deferred revenue     (1,405,406)
Goodwill     1,941,411
Total     18,698,255
Blood Bank Inc and Tianhe Stem Cell Biotechnologies Inc [Member] | Brand [Member]      
Business Acquisition [Line Items]      
Intangible assets     31,000
Blood Bank Inc and Tianhe Stem Cell Biotechnologies Inc [Member] | Customer Relationships [Member]      
Business Acquisition [Line Items]      
Intangible assets     $ 960,000