Registration statement for securities of certain foreign private issuers

Patent Rights - Summary of Patent Rights (Detail)

v3.20.1
Patent Rights - Summary of Patent Rights (Detail) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Disclosure of detailed information about intangible assets [line items]        
Beginning balance $ 1,601,745 $ 1,172,485 $ 1,172,485 $ 774,225
Additions during the year 56,130 53,758 458,037 420,587
Amortization in the year (8,410) (6,175) (28,777) (22,327)
Ending balance 1,649,465 1,220,068 1,601,745 1,172,485
Cost [member]        
Disclosure of detailed information about intangible assets [line items]        
Beginning balance 1,856,750 1,398,713 1,398,713 978,126
Additions during the year 56,130 53,758 458,037 420,587
Amortization in the year 0 0
Ending balance 1,912,880 1,452,471 1,856,750 1,398,713
Accumulated Amortization & Impairment Losses [member]        
Disclosure of detailed information about intangible assets [line items]        
Beginning balance (255,005) (226,228) (226,228) (203,901)
Additions during the year 0 0
Amortization in the year (8,410) (6,175) (28,777) (22,327)
Ending balance $ (263,415) $ (232,403) $ (255,005) $ (226,228)