Note 7 - Goodwill (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
Dec. 31, 2012	Dec. 31, 2012
Goodwill, Impairment Loss	$ 6,583	$ 6,583
Southern Region [Member]
Goodwill, Impairment Loss		$ 6,583

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