Consolidated Statements Of Stockholders' Equity (USD $)	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Total
Balance beginning at Dec. 28, 2008	$ 338,000	$ 36,469,000	$ 26,589,000	$ 63,396,000
Balance beginning, shares at Dec. 28, 2008	6,754,860
Stock purchase, value	(41,000)	(2,964,000)	0	(3,005,000)
Stock purchase, shares	(808,000)
Loss of deferred tax assets related to variable stock option award upon expiration of the option	0	(183,000)	0	(183,000)
Loss of deferred tax assets related to variable stock option award upon expiration of the option, shares	0
Share-based compensation	0	378,000	0	378,000
Other	0	0	0	0
Other, shares	(103)
Net and comprehensive income (loss)	0	0	(15,338,000)	(15,338,000)
Balance ending at Jan. 03, 2010	297,000	33,700,000	11,251,000	45,248,000
Balance ending, shares at Jan. 03, 2010	5,946,757
Exercise of stock options, including tax benefits and net of settlement for withholding taxes	1,000	55,000	0	56,000
Exercise of stock options, including tax benefits and net of settlement for withholding taxes, shares	20,285
Share-based compensation	0	430,000	0	430,000
Other	0	0	0	0
Other, shares	(100)
Net and comprehensive income (loss)	0	0	2,796,000	2,796,000
Balance ending at Jan. 02, 2011	298,000	34,185,000	14,047,000	48,530,000
Balance ending, shares at Jan. 02, 2011	5,966,942
Exercise of stock options, including tax benefits and net of settlement for withholding taxes	2,000	38,000	0	40,000
Exercise of stock options, including tax benefits and net of settlement for withholding taxes, shares	26,511
Share-based compensation	0	358,000	0	358,000
Net and comprehensive income (loss)	0	0	857,000	857,000
Balance ending at Jan. 01, 2012	$ 300,000	$ 34,581,000	$ 14,904,000	$ 49,785,000
Balance ending, shares at Jan. 01, 2012	5,993,453