XML 16 R33.htm IDEA: XBRL DOCUMENT

Note 2 - Summary of Significant Accounting Policies (Detail) - Assumptions Utilized for Stock Option Grants (USD $)	3 Months Ended
	Mar. 31, 2013
Volatility	48.66%
Expected life (years)	6 years
Risk-free interest rate	1.02%
Dividend yield	0.00%
Fair value (in Dollars per share)	$ 6.63

The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

+ References+ Details