XML 26 R77.htm IDEA: XBRL DOCUMENT

Geographic Segment Data (Details) (USD $)	12 Months Ended
Geographic Segment Data (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Sales to outside customers	$ 49,543,000	$ 47,171,000
Total Assets	37,747,000	33,616,000
United States [Member]
Sales to outside customers	35,527,000	34,657,000
Total Assets	27,708,000	25,302,000
United Kingdom [Member]
Sales to outside customers	2,427,000	1,838,000
Total Assets	1,133,000	734,000
Europe [Member]
Sales to outside customers	817,000	376,000
Total Assets	1,057,000	464,000
Mexico [Member]
Sales to outside customers	10,772,000	10,300,000
Total Assets	$ 7,849,000	$ 7,116,000