Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2012

Property, Plant and Equipment [Table Text Block]

Depreciation and amortization is computed using the straight-line method and half-year convention over the estimated useful lives of the assets as follows:



Equipment	3 years
Furniture and fixtures	5 - 10 years
Software	3 years
Leasehold improvements	3 years

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

The Company used the following assumptions for options granted under the 2007 and the 2011 Equity Incentive Plans during the three and six months ended June 30, 2012 and 2011:



	Three Months Ended		Six Months Ended
2007 Equity Incentive Plan Assumptions	June 30, 2012	June 30, 2011	June 30, 2012	June 30, 2011
Expected term	n/a	5 years	n/a	5 years
Weighted average volatility	n/a	55.08%	n/a	54.96%
Weighted average risk free interest rate	n/a	1.89%	n/a	2.36%
Expected dividends	n/a	—	n/a	—



	Three Months Ended		Six Months Ended
2011 Equity Incentive Plan Assumptions	June 30, 2012	June 30, 2011	June 30, 2012	June 30, 2011
Expected term	5 years	5 years	5 years	5 years
Weighted average volatility	54.93%	55.08%	54.93%	55.08%
Weighted average risk free interest rate	0.76%	1.88%	0.76%	1.88%
Expected dividends	—	—	—	—

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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