Consolidated Statements of Stockholders' Equity (USD $)	Total	Additional Paid-In Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Class A Common Stock	Class B Common Stock
Balance at Dec. 26, 2009	$ 62,273,740	$ 71,185,093	$ 11,450,213	$ (21,771,537)	$ (276,575)	$ 1,470,440	$ 216,106
Balance (in shares) at Dec. 26, 2009						14,704,399	2,161,058
Increase (decrease) in Stockholders' equity
Net income (loss)	(11,698,060)		(11,698,060)
Unrealized gain on hedge activity, net of tax	248,000				248,000
Unrealized holding gain on investments, net of tax	28,786				28,786
Exercise of stock options	2,500	2,323				177
Exercise of stock options (in shares)						1,766
Issuance of $0, 15,384 and 22,220 shares of treasury stock for the year ended 2012, 2011 and 2010, respectively	49,995		(133,764)	183,759
Issuance of restricted stock	443,896	435,181				8,715
Issuance of restricted stock (in shares)						87,152
Conversion of Class B shares to Class A shares						44,412	(44,412)
Conversion of Class B shares to Class A shares (in shares)						444,121	(444,121)
Stock-based compensation	102,943	102,943
Balance at Dec. 25, 2010	51,451,800	71,725,540	(381,611)	(21,587,778)	211	1,523,744	171,694
Balance (in shares) at Dec. 25, 2010						15,237,438	1,716,937
Increase (decrease) in Stockholders' equity
Net income (loss)	790,671		790,671
Unrealized holding gain on investments, net of tax	7,088				7,088
Exercise of stock options	48,585	45,893				2,692
Exercise of stock options (in shares)						26,920
Issuance of 350,000 shares of treasury stock	2,184,000	(712,212)		2,896,212
Issuance of 41,672 shares of common stock	120,000	115,833				4,167
Issuance of common stock (in shares)	41,672					41,672
Issuance of $0, 15,384 and 22,220 shares of treasury stock for the year ended 2012, 2011 and 2010, respectively	40,000		(87,300)	127,300
Issuance of restricted stock	84,004	81,546				2,458
Issuance of restricted stock (in shares)						24,584
Stock-based compensation	207,199	207,199
Balance at Dec. 31, 2011	54,933,347	71,463,799	321,760	(18,564,266)	7,299	1,533,061	171,694
Balance (in shares) at Dec. 31, 2011						15,330,614	1,716,937
Increase (decrease) in Stockholders' equity
Net income (loss)	11,832,985		11,832,985
Unrealized holding gain on investments, net of tax	1,946				1,946
Exercise of stock options	100,409	94,528				5,881
Exercise of stock options (in shares)						58,804
Issuance of 350,000 shares of treasury stock		(2,896,211)		2,896,211
Stock-based compensation	294,195	291,371				2,824
Stock-based compensation (in shares)						28,238
Balance at Dec. 29, 2012	$ 67,162,882	$ 68,953,487	$ 12,154,745	$ (15,668,055)	$ 9,245	$ 1,541,766	$ 171,694
Balance (in shares) at Dec. 29, 2012						15,417,656	1,716,937