Consolidated Statements of Stockholders’ Equity (USD $) In Thousands, unless otherwise specified	Common Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balances at at Dec. 27, 2008
Comprehensive income
Net income		$ 1,657		$ 1,657
Foreign currency translation adjustment			1,642	1,642
Total comprehensive income				3,299
Expense of stock options		588		588
Settlement of restricted stock units	7	(7)
Settlement of restricted stock units (in Shares)	7
Stock issued to directors as compensation	34	53		87
Stock issued to directors as compensation (in Shares)	34
Balances at at Dec. 26, 2009	12,657	65,341	4,766	82,764
Balances at (in Shares) at Dec. 26, 2009	12,657
Comprehensive income
Net income		6,059		6,059
Foreign currency translation adjustment			(845)	(845)
Total comprehensive income				5,214
Expense of stock options		177		177
Exercise of stock options	75	(17)		58
Exercise of stock options (in Shares)	75
Settlement of restricted stock units	12	(12)
Settlement of restricted stock units (in Shares)	12
Stock option forfeiture (in Shares)		(32)		(32)
Dividends declared		(1,285)		(1,285)
Stock issued to directors as compensation	36	98		134
Stock issued to directors as compensation (in Shares)	36
Balances at at Dec. 25, 2010	12,780	70,329	3,921	87,030
Balances at (in Shares) at Dec. 25, 2010	12,780
Comprehensive income
Net income		4,441		4,441
Foreign currency translation adjustment			(588)	(588)
Total comprehensive income				3,853
Expense of stock options		548		548
Exercise of stock options	57	69		126
Exercise of stock options (in Shares)	57
Settlement of restricted stock units	20	(20)
Settlement of restricted stock units (in Shares)	20
Dividends declared		(4,138)		(4,138)
Stock issued to directors as compensation	27	119		146
Stock issued to directors as compensation (in Shares)	27
Balances at at Dec. 31, 2011	$ 12,884	$ 71,348	$ 3,333	$ 87,565
Balances at (in Shares) at Dec. 31, 2011	12,884