Note 7 - Internal Use Software (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Captialized Internal Use Software Amortization Expense (in Dollars)	$ 2.1	$ 1.8
Minimum [Member]
Capitalized Internal Use Software Useful Life	3 years
Maximum [Member]
Capitalized Internal Use Software Useful Life	5 years