Annual reports filed by certain Canadian issuers pursuant to Section 15(d) and Rule 15d-4

Acquired intellectual property and other intangible assets

v3.19.1
Acquired intellectual property and other intangible assets
 12 Months Ended
Dec. 31, 2018
Acquired Intellectual Property and Other Intangible Assets [Abstract]  
Acquired intellectual property and other intangible assets
Acquired intellectual property and other intangible assets
 
Patents
$

 
Acquired intellectual
property and
reacquired rights
$

 
Total
$

Year ended December 31, 2018
 
 
 
 
 
Opening net book value
773

 
13,343

 
14,116

Additions
45

 
—

 
45

Amortization for the year
(260
)
 
(1,285
)
 
(1,545
)
Closing net book value
558

 
12,058

 
12,616

As at December 31, 2018
 
 
 
 
 
Cost
1,551

 
19,075

 
20,626

Accumulated amortization
(993
)
 
(7,017
)
 
(8,010
)
Net book value
558

 
12,058

 
12,616

 
 
 
 
 
 
Year ended December 31, 2017
 
 
 
 
 
Opening net book value
922

 
14,628

 
15,550

Amortization for the year
(149
)
 
(1,285
)
 
(1,434
)
Closing net book value
773

 
13,343

 
14,116

As at December 31, 2017
 
 
 
 
 
Cost
2,171

 
19,075

 
21,246

Accumulated amortization
(1,398
)
 
(5,732
)
 
(7,130
)
Net book value
773

 
13,343

 
14,116



The remaining amortization period of the intangible assets calculated using the weighted average of the useful life is 9.59 years.