Consolidated Statements of Shareholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common shares amount	Capital in excess of par	Retained earnings	Treasury shares cost
Balance at Jan. 02, 2010		$ 643	$ 1,830	$ 65,328	$ 16,615
Balance (in shares) at Jan. 02, 2010		2,574,264			975,986
Increase (Decrease) in Shareholders' Equity
Net (loss)	(381)			(381)
Balance at Jan. 01, 2011	50,805	643	1,830	64,947	16,615
Balance (in shares) at Jan. 01, 2011		2,574,264			975,986
Increase (Decrease) in Shareholders' Equity
Net (loss)	(1,948)			(1,948)
Compensation of Board of Directors by issuance of treasury shares			40		(409)
Compensation of Board of Directors by issuance of treasury shares (in shares)					(24,000)
Balance at Dec. 31, 2011	$ 49,306	$ 643	$ 1,870	$ 62,999	$ 16,206
Balance (in shares) at Dec. 31, 2011		2,574,264			951,986