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Organization and Description of Business and Accounting Policies (Details Textual) (USD $)	12 Months Ended
	Dec. 28, 2012	Dec. 30, 2011	Dec. 31, 2010	Feb. 01, 2012	Mar. 02, 2010	Jun. 01, 2009	Dec. 12, 2007	Mar. 01, 2007
Foreign currency translation adjustment	$ (722,000)	$ (247,000)	$ (1,154,000)
Gain (loss) on foreign currency transactions	111,000	86,000	(87,000)
Deposit For Unaccrued Taxes					129,000
Deposit For Unaccrued Taxes Refund				134,000
Goodwill	1,786,000	1,786,000
Advertising Expense	1,810,000	1,306,000	1,195,000
Liabilities, Fair Value Disclosure	$ 27,000	$ 362,000
Class of Warrant or Right, Outstanding	70,000	70,000				700,000	700,000	70,000
Warrant Issued Under Agreement	1,400,000
Customer Relationships [Member]
Finite-Lived Intangible Asset, Useful Life	10 years
Maximum [Member] | Patents and Licences Member [Member]
Finite-Lived Intangible Asset, Useful Life	20 years
Maximum [Member] | Developed Technology Rights [Member]
Finite-Lived Intangible Asset, Useful Life	10 years
Minimum [Member] | Patents and Licences Member [Member]
Finite-Lived Intangible Asset, Useful Life	3 years
Minimum [Member] | Developed Technology Rights [Member]
Finite-Lived Intangible Asset, Useful Life	3 years
Accounts Receivable [Member]
Concentration Risk, Percentage	0.00%
Sales Revenue, Goods, Net [Member]
Concentration Risk, Percentage	0.00%	13.00%
Trade Accounts Receivable [Member]
Concentration Risk, Percentage	10.00%	19.00%

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