Note 17 - Transition Period Comparative Data (Detail) - Comparable Financial Information For The Six Month Transition Period (USD $) In Thousands, except Share data, unless otherwise specified	1 Months Ended	6 Months Ended		12 Months Ended				6 Months Ended		12 Months Ended
	Dec. 27, 2011	Dec. 31, 2011		Dec. 31, 2012		Jun. 30, 2011		Dec. 31, 2011 Change In Fiscal Year [Member]	Dec. 31, 2010 Change In Fiscal Year [Member]	Dec. 31, 2012 Change In Fiscal Year [Member]	Dec. 31, 2011 Change In Fiscal Year [Member]
Operating Data:
Sales		$ 146,563		$ 338,232		$ 248,189		$ 146,563	$ 115,142	$ 338,232	$ 279,656
Less: excise tax		(86)		(3,897)		(274)		86	213	3,897	193
Net sales		146,477		334,335		247,915		146,477	114,929	334,335	279,463
Cost of sales		143,531	[1]	309,312	[1]	225,038	[1]	143,531	95,783	309,312	272,786
Gross profit		2,946		25,023		22,877		2,946	19,146	25,023	6,677
Selling, general and administrative expenses		11,417		26,536		21,157		11,417	10,587	26,536	21,987
Other operating costs and (gain) loss on sale of assets, net								114	650	(569)	539
Impairment of long-lived assets		1,301						1,301			1,301
Bargain purchase gain, net of tax	13,048	13,048		13,048				(13,048)			(13,048)
Income (loss) from operations		3,162		(944)		645		3,162	7,909	(944)	(4,102)
Gain on sale of joint venture interest				4,055						4,055
Other income, net		48		2		8		48	3	2	53
Interest expense		330		870		358		(330)	(266)	(870)	(422)
Equity in earnings (loss)		(551)		(301)		(1,540)		(551)	632	(301)	(2,723)
Income (loss) before income taxes		2,329		1,942		(1,245)		2,329	8,278	1,942	(7,194)
Provision (benefit) for income taxes		(8,306)		318		68		(8,306)	34	318	(8,272)
Net income (loss)		10,635		1,624		(1,313)		10,635	8,244	1,624	1,078
Other comprehensive income loss, net								(1,020)	(176)	802	1,968
Comprehensive income		9,615		2,426		1,499		9,615	8,068	2,426	3,046
Per Share Data
Total basic earnings per common share (in Dollars per share)		$ 0.59		$ 0.09		$ (0.08)		$ 0.59	$ 0.46	$ 0.09	$ 0.06
Total diluted earnings per common share (in Dollars per share)		$ 0.59		$ 0.09		$ (0.08)		$ 0.59	$ 0.46	$ 0.09	$ 0.06
Shares used in computing basic earnings per share (in Shares)		16,875,924	[2]	16,951,168	[2]	16,725,756	[2]	16,875,924	16,684,606	16,951,168	16,804,797
Shares used in computing diluted earnings per share (in Shares)		16,879,153		16,951,168		16,725,756		16,879,153	16,702,189	16,951,168	16,808,883
Dividends per common share (in Dollars per share)		$ 0.05		$ 0.05		$ 0.05		$ 0.05	$ 0.05	$ 0.05	$ 0.05
Cash Flow Data:
Net cash used in operating activities		(9,603)		(5,026)		3,139		(9,603)	(1,160)	(5,026)	(5,480)
Net cash provided by (used in) investing activities		(12,324)		3,205		(12,775)		(12,324)	(3,663)	3,205	(21,435)
Net cash provided by (used in) financing activities		14,707		1,438		10,870		14,707	(1,074)	1,438	26,826
Net increase (decrease) in cash and cash equivalents		$ (7,220)		$ (383)		$ 1,234		$ (7,220)	$ (5,897)	$ (383)	$ 89

[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] Shares listed reflect common stock outstanding after reducing the total for participating restricted stock. The Company had non-vested participating securities of 933,887 and 1,199,661at December 31, 2012 and 2011, respectively, as well as 423,264 and 0 restricted share units at December 31, 2012 and 2011.