XML 46 R32.htm IDEA: XBRL DOCUMENT v3.21.1
Significant Accounting Policies - Fair values of financial assets of the Company (Details) - USD ($)
Feb. 28, 2021
Feb. 29, 2020
Marketable Securities $ 4,563,470 $ 4,219,240
Quoted Prices in Active Markets (Level 1)    
Marketable Securities 4,261,927 3,565,629
Fair Value Inputs (Level 2)    
Marketable Securities 301,543 653,611
Fair Value Inputs (Level 3)    
Marketable Securities