Note 15 - Noncontrolling Interests (Detail) - Redeemable Units (USD $)	12 Months Ended
	Dec. 31, 2012
Class A Units [Member]
Number of Units Issued	13,963	[1]
Par Value Per Unit (in Dollars per share)	$ 1,000
Return Per Annum	5.00%
Class B Units [Member]
Number of Units Issued	647,758	[2]
Par Value Per Unit (in Dollars per share)	$ 37.24

[1] These units are redeemable for cash by the holder or callable by the Company.

[2] These units are redeemable for cash by the holder or at the Company's option, shares of the Company's common stock.