Note 16 - Quarterly Results of Operations (Unaudited) (Detail) (USD $)	3 Months Ended	12 Months Ended
Mar. 31, 2012	Sep. 30, 2011	Dec. 31, 2011
Gain (Loss) on Sale of Property	$ 2,400,000
Goodwill, Impairment Loss		$ 11,500,000	$ 11,539,000

Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

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+ Details