Note 7 - Employee Benefit Plans (Detail) - Reserved shares of Common Stock (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Total (in Dollars)	$ 1,408,097
Stock options granted but not exercised [Member]
Stock options granted but not exercised	20,000
Rеstrictеd stock to non-еmployееs (authorizеd but not grantеd) [Member]
Restricted stock to employees, non-employees and executives	39,797
Rеstrictеd stock to еmployееs and еxеcutivеs (authorizеd but not grantеd) [Member]
Restricted stock to employees, non-employees and executives	1,348,300