Significant accounting policies (Tables)

12 Months Ended

Dec. 31, 2019

Accounting Policies [Abstract]

Estimated Useful Lives and the Methods of Depreciation for Current and Comparative Periods

Theestimatedusefullivesandthemethodsofdepreciationforthecurrentandcomparative periods are as follows:

Asset	Basis	Rate
Computer equipment	Declining balance	30%
Computer software	Declining balance	100%
Furniture and equipment	Declining balance	20%
Leasehold improvements initial lease	Straight-line	Shorter of term or useful life
Injection mold	Straight-line	5 years

Intangible Assets Finite Lives Amortized Over Period

Intangible assets with finite lives are amortized on a straight-line basis over their estimated useful lives and are measured at cost less accumulated amortization and accumulated impairment losses.  Intangible assets with finite lives are amortized over the following periods:

Asset	Basis	Rate
Intellectual property rights to the CRH O’Regan System	Straight-line	15 years
Intellectual property new technology	Straight-line	20 years
Exclusive professional services agreements	Straight-line	4.5 to 15 years