| Components of net intangible assets |
The components of net intangible assets are as follows:
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October 31, 2012 |
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April 30, 2012 |
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Gross Carrying Amount |
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Accumulated Amortization |
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Gross Carrying Amount |
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Accumulated Amortization |
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Amortization Period |
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Tussicaps®
intangible assets
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$ |
22,126,000 |
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$ |
(3,486,000 |
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$ |
22,126,000 |
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$ |
(1,992,000 |
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5-10 years |
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ECR intangible assets
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7,334,000 |
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(2,191,000 |
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7,334,000 |
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(1,828,000 |
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10 years |
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Mag-Ox®
intangible assets
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4,100,000 |
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(1,093,000 |
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4,100,000 |
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(888,000 |
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10 years |
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Clobetasol intangible asset
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4,000,000 |
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(1,000,000 |
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4,000,000 |
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(800,000 |
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10 years |
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Orbivan®
and Zolvit® intangible assets
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3,577,000 |
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(750,000 |
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3,477,000 |
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(463,000 |
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3-10 years |
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Sinus
Buster® intangible assets
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2,513,000 |
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(130,000 |
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2,513,000 |
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— |
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10 years |
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Zolpimist®
intangible assets
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3,000,000 |
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(656,000 |
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3,000,000 |
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(469,000 |
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7-10 years |
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Zostrix®
intangible assets
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5,354,000 |
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(3,552,000 |
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5,354,000 |
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(3,179,000 |
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3-11.5 years |
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KVK License intangible assets
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1,500,000 |
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— |
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1,500,000 |
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— |
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10 years |
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Midlothian intangible assets
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1,011,000 |
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(401,000 |
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1,011,000 |
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(342,000 |
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3-10 years |
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Vosol® and
Vosol® HC intangible assets
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700,000 |
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(333,000 |
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700,000 |
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(298,000 |
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10 years |
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Partnered ANDA intangible assets
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375,000 |
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— |
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375,000 |
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— |
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10 years |
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Other intangible assets
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1,705,000 |
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(1,063,000 |
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1,705,000 |
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(878,000 |
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0.5-10 years |
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$ |
57,295,000 |
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$ |
(14,655,000 |
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$ |
57,195,000 |
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$ |
(11,137,000 |
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