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4. INTANGIBLE ASSETS
3 Months Ended
Jul. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]  
4. INTANGIBLE ASSETS

The following table summarizes the Company’s intangible assets as of July 31, 2013:

 

Asset Category   Value Assigned     Weighted Average Amortization Period (in Years)     Impairments     Accumulated Amortization     Carrying Value (Net of Impairments and Accumulated Amortization)  
                               
Patents   $ 644,597       11.1     $ -     $ (265,698 )   $ 378,899  
License Rights     583,548       15.4       -       (125,448 )     458,100  
Trademarks     106,176       N/A       -       -       106,176  
Total   $ 1,334,321             $ -     $ (391,146 )   $ 943,175  

 

The following table summarizes the Company’s intangible assets as of April 30, 2013:

 

Asset Category   Value Assigned     Weighted Average Amortization Period (in Years)     Impairments     Accumulated Amortization     Carrying Value (Net of Impairments and Accumulated Amortization)  
                               
Patents   $ 645,918       11.2     $ (27,279 )   $ (258,499 )   $ 360,140  
License Rights     572,370       15.6       -       (117,969 )     454,401  
Trademarks     110,157       N/A       -       -       110,157  
Total   $ 1,328,445             $ (27,279 )   $ (376,468 )   $ 924,698  

 

For the three months ended July 31, 2013 and 2012, the aggregate amortization expense on the above intangibles was approximately $15,000 and $13,000, respectively.

 

Patents and License Rights

The Company currently holds, has filed for, or owns exclusive rights to, U.S. and worldwide patents covering 13 various methods and uses of its perfluorocarbon (“PFC”) technology. It capitalizes amounts paid to third parties for legal fees, application fees and other direct costs incurred in the filing and prosecution of its patent applications. These capitalized costs are amortized on a straight-line method over their useful life or legal life, whichever is shorter. The Company capitalized patent costs of approximately $37,000 and $20,000, for the three months ended July 31, 2013 and 2012, respectively.

Trademarks

The Company currently holds, or has filed for, trademarks to protect the use of names and descriptions of its products and technology. It capitalizes amounts paid to third parties for legal fees, application fees and other direct costs incurred in the filing and prosecution of its trademark applications. These trademarks are evaluated annually in accordance with ASC 350, Intangibles – Goodwill and other. The Company evaluates (i) its expected use of the underlying asset, (ii) any laws, regulations, or contracts that may limit the useful life, (iii) the effects of obsolescence, demand, competition, and stability of the industry, and (iv) the level of costs to be incurred to commercialize the underlying asset. The Company capitalized trademark costs of approximately $0 and $1,000, for the three months ended July 31, 2013 and 2012, respectively.