v2.4.0.6
Intangible Assets
12 Months Ended
Dec. 31, 2011
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets

6. Intangible Assets

Intangible assets, consisting of acquired technology and customer relationships related to the Cellex and General Hydrogen acquisitions during the year ended December 31, 2007 are amortized using a straight-line method over their useful lives of eight years. On January 1, 2008, General Hydrogen (Canada) Corporation, Plug Power Canada Inc. and Cellex Power Products, Inc. amalgamated as Plug Power Canada Inc. 

The gross carrying amount and accumulated amortization of the Company’s acquired identifiable intangible assets as of December 31, 2011 are as follows:

Effect of

Weighted Average

Gross Carrying

Accumulated

Foreign Currency

Amortization Period

Amount

Amortization

Translation

Total

  

Acquired Technology

8 years

$

15,900,000

$

(9,974,597)

$

1,132,529

$

7,057,932

Customer Relationships

8 years

  

1,000,000

  (583,296)

 -

   416,704

$

16,900,000

$

(10,557,893)

$

1,132,529

$

7,474,636

 
The gross carrying amount and accumulated amortization of the Company’s acquired identifiable intangible assets as of December 31, 2010 are as follows: 

 

 

 

 

 

 

 

 

 

 

 

Effect of

 

 

 

Weighted Average

 

Gross Carrying

 

Accumulated

 

Foreign Currency

 

 

 

Amortization Period

 

Amount

 

Amortization

 

Translation

 

Total

 

 

 

 

 

 

 

 

 

 

 

 

 

Acquired Technology

8 years

 

$

15,900,000 

 

$

(7,776,713)

 

$

1,206,411 

 

$

9,329,698 

Customer Relationships

8 years

 

 

1,000,000 

 

(458,304)

 

 

541,696 

 

 

 

 

 

$

16,900,000 

 

$

(8,235,017)

 

$

1,206,411 

 

$

9,871,394 

  

Amortization expense for acquired identifiable intangible assets for the years ended December 31, 2011, 2010, and 2009 was $2.3 million, $2.3 million, and $2.1 million, respectively. Estimated amortization expense for subsequent years is as follows:

 

2012

$

2,277,773 

2013

2,277,773 

2014

2,277,773 

2015

641,317 

Total

$

7,474,636