Basis Of Presentation (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Royalty percentage of gross profit on licensed products	50.00%
Cash located in foreign banks	$ 2,600,000	$ 2,400,000
Advertising costs	$ 124,000	$ 157,000	$ 153,000
Shares excluded from diluted weighted shares outstanding	481,000	404,000	133,000
Common share equivalents included in the computation of diluted net income per share			112,000
Minimum [Member]
Property, plant and equipment, estimated useful life	3 years
Maximum [Member]
Property, plant and equipment, estimated useful life	7 years