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		Sep. 30, 2010 Minimum [Member]	Sep. 30, 2010 Maximum [Member]	Sep. 30, 2010	Dec. 31, 2010 Minimum [Member]	Dec. 31, 2010 Maximum [Member]	Dec. 31, 2010	Mar. 31, 2011 Minimum [Member]	Mar. 31, 2011 Maximum [Member]	Mar. 31, 2011	Jun. 30, 2011 Minimum [Member]	Jun. 30, 2011 Maximum [Member]	Jun. 30, 2011
Sales	$ 146,563		$ 338,232		$ 248,189				$ 68,882			$ 64,211			$ 58,072			$ 57,024
Less: excise tax	(86)		(3,897)		(274)				84			23			121			46
Net sales	146,477		334,335		247,915				68,798			64,188			57,951			56,978
Cost of sales	143,531	[1]	309,312	[1]	225,038	[1]			71,586			57,669			49,159			46,624
Gross profit	2,946		25,023		22,877				(2,788)			6,519			8,792			10,354
Selling, general and administrative	11,417		26,536		21,157				4,880			5,690			4,360			6,227
Other operating costs and (gain) loss on sale of assets, net									425						88			562
Income (loss) from operations	3,162		(944)		645				(8,093)			829			4,344			3,565
Other income (expense), net									2			3						3
Interest expense	330		870		358							(92)			(141)			(125)
Equity in earnings (loss)	(551)		(301)		(1,540)				(2,296)			124			(957)			1,589
Income (loss) before income taxes	2,329		1,942		(1,245)				(10,387)			864			3,246			5,032
Provision (benefit) for income taxes	(8,306)		318		68				(129)			163			4			30
Net income (loss)	$ 10,635		$ 1,624		$ (1,313)				$ (10,258)			$ 701			$ 3,242			$ 5,002
Per Share Data(i)
Total basic earnings (loss) per common share (in Dollars per share)	$ 0.59		$ 0.09		$ (0.08)				$ (0.61)			$ 0.04			$ 0.18			$ 0.28
Total diluted earnings (loss) per common share (in Dollars per share)	$ 0.59		$ 0.09		$ (0.08)				$ (0.61)			$ 0.04			$ 0.18			$ 0.28
Dividends per Common Share (in Dollars per share)	$ 0.05		$ 0.05		$ 0.05													$ 0.05
Common
Common Stock Price Range (in Dollars per share)							$ 9.00	$ 7.75		$ 11.06	$ 7.90		$ 11.90	$ 8.14		$ 8.15	$ 6.46

[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.