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Intangible Assets (Tables) | 12 Months Ended
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Jun. 30, 2012
Reconciliation of Intangible Assets | The reconciliation of intangible assets for the years ended June 30, 2012 and 2011 is as follows:
|  | June 30, |
|  | 2012 |  |  | 2011 |
Patented technologies |  |  |  |  |  |  |  |
Gross carrying amount at beginning of year |  | $ | 55,422 |  |  | $ | 53,275 |
Asset impairment write-down |  |  | (14,830 | ) |  |  | — |
Foreign currency translation adjustments |  |  | (1,036 | ) |  |  | 2,147 |
Gross carrying amount at end of year |  |  | 39,556 |  |  |  | 55,422 |
Accumulated amortization at beginning of year |  |  | (33,858 | ) |  |  | (29,398 | )
Amortization expense |  |  | (2,037 | ) |  |  | (3,302 | )
Foreign currency translation adjustments |  |  | 565 |  |  |  | (1,158 | )
Accumulated amortization at end of year |  |  | (35,330 | ) |  |  | (33,858 | )
Net book value at end of year |  | $ | 4,226 |  |  | $ | 21,564 |
Schedule of Fair Value of Combined Intangible Assets | Based on the above analyses, the fair value of the combined intangible assets was allocated to each intangible based on the values determined under the income-based approach, as follows:
|  | Pre-impairment Carrying Value at December 31, 2011 |  |  | Impairment Charge |  |  | Post-impairment Carrying Value at December 31, 2011 |
Durasert |  | $ | 6,318 |  |  | $ | (3,141 | ) |  | $ | 3,177 |
BioSilicon |  |  | 13,108 |  |  |  | (11,689 | ) |  |  | 1,419 |
|  | $ | 19,426 |  |  | $ | (14,830 | ) |  | $ | 4,596 |
Schedule of Net Book Value of Intangible Assets | The net book value of the Company’s intangible assets at June 30, 2012 and 2011 is summarized as follows:
|  | June 30, |  |  | Estimated Remaining Useful Life at June 30, 2012 |
|  | 2012 |  |  | 2011 |  |  | (Years) |
Patented technologies |  |  |  |  |  |  |  |  |  |  |  |
Durasert |  | $ | 2,912 |  |  | $ | 6,845 |  |  |  | 5.5 |
BioSilicon |  |  | 1,314 |  |  |  | 14,719 |  |  |  | 5.5 |
|  | $ | 4,226 |  |  | $ | 21,564 |  |  |  |  |

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- Definition Tabular disclosure of impaired intangible assets excluding goodwill. This may include a description of the facts and circumstances leading to the recording of impairment charges of intangible assets in the period, the amount of the impairment charges, the methods of determining fair value of the associated assets, the caption in the income statement in which the impairment losses are aggregated, and the segment in which the impaired intangible assets are reported. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16373-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 46 -Subparagraph a, b, c, d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 + Details
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