Note 2 - Impairments (Detail) - Carrying Amount of Goodwill (USD $)	3 Months Ended	6 Months Ended	1 Months Ended	6 Months Ended	1 Months Ended	6 Months Ended	1 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2012	Apr. 30, 2012 Alabama [Member]	Jun. 30, 2012 Alabama [Member]	Apr. 30, 2012 Missouri [Member]	Jun. 30, 2012 Missouri [Member]	Apr. 30, 2012 New England [Member]	Jun. 30, 2012 New England [Member]
Goodwill		$ 188,954,840		$ 101,602,718		$ 17,829,122		$ 69,523,000
Accumulated impairment losses		0		0		0		0
		188,954,840		101,602,718		17,829,122		69,523,000
Impairment Losses quarter ended June 30, 2012	143,998,000	143,998,000	62,404,000	62,404,000	12,071,000	12,071,000	69,523,000	69,523,000
Balance as of June 30, 2012
Goodwill	188,954,840	188,954,840		101,602,718		17,829,122		69,523,000
Accumulated impairment losses	143,998,000	143,998,000		62,404,000		12,071,000		69,523,000
Goodwill adjusted cost basis	$ 44,956,840	$ 44,956,840		$ 39,198,718		$ 5,758,122