Note 19 - Quarterly Financial Data (unaudited) (Detail) - Quarterly Financial Data (USD $) In Thousands, except Per Share data, unless otherwise specified	6 Months Ended		12 Months Ended						3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended
	Dec. 31, 2011		Dec. 31, 2012		Jun. 30, 2011		Mar. 31, 2012 Minimum [Member]	Mar. 31, 2012 Maximum [Member]	Mar. 31, 2012		Jun. 30, 2012 Minimum [Member]	Jun. 30, 2012 Maximum [Member]	Jun. 30, 2012		Sep. 30, 2012 Minimum [Member]	Sep. 30, 2012 Maximum [Member]	Sep. 30, 2012		Dec. 31, 2012 Minimum [Member]	Dec. 31, 2012 Maximum [Member]	Dec. 31, 2012
Sales	$ 146,563		$ 338,232		$ 248,189				$ 86,350				$ 76,189				$ 87,263				$ 88,430
Less: excise tax	(86)		(3,897)		(274)								82				1,729				2,086
Net sales	146,477		334,335		247,915				86,350				76,107				85,534				86,344
Cost of sales	143,531	[1]	309,312	[1]	225,038	[1]			78,930				70,047				79,618				80,717
Gross profit	2,946		25,023		22,877				7,420				6,060				5,916				5,627
Selling, general and administrative	11,417		26,536		21,157				6,466				6,037				6,285				7,748
Other operating costs and (gain) loss on sale of assets, net									(16)				(851)				176				122
Income (loss) from operations	3,162		(944)		645				970				874				(545)				(2,243)
Gain on sale of joint venture interest																					4,055
Other income (expense), net									(1)				(1)				2				2
Interest expense	330		870		358				(158)				(225)				(232)				(255)
Equity in earnings (loss)	(551)		(301)		(1,540)				(465)				(130)				(143)				437
Income (loss) before income taxes	2,329		1,942		(1,245)				346				518				(918)				1,996
Provision (benefit) for income taxes	(8,306)		318		68				166				100				(68)				120
Net income (loss)	$ 10,635		$ 1,624		$ (1,313)				$ 180				$ 418				$ (850)				$ 1,876
Per Share Data(i)
Total basic earnings (loss) per common share (in Dollars per share)	$ 0.59		$ 0.09		$ (0.08)				$ 0.01	[2]			$ 0.02	[2]			$ (0.05)	[2]			$ 0.10	[2]
Total diluted earnings (loss) per common share (in Dollars per share)	$ 0.59		$ 0.09		$ (0.08)				$ 0.01	[2]			$ 0.02	[2]			$ (0.05)	[2]			$ 0.10	[2]
Dividends per Common Share (in Dollars per share)	$ 0.05		$ 0.05		$ 0.05																$ 0.05
Common
Commom Stock Price Range (in Dollars per share)							$ 3.71	$ 3.40			$ 3.68	$ 3.30			$ 4.90	$ 3.43			$ 6.37	$ 5.28

[1] Includes related party purchases of $49,891 for the year ended December 31, 2012, $40,159 for the six month transition period ended December 31, 2011 and $57,482 for the year ended June 30, 2011.

[2] Total basic and diluted losses per common share do not equal the annual amounts of $0.09 and $0.09, respectively, due to rounding as well as due to allocation of losses under the two class method during periods of losses. For the quarters ended December 31, 2012 and June 30, 2012, the losses were fully allocated common stock.