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13 - GEOGRAPHIC INFORMATION (Detail) - Schedule of Segment Reporting (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Revenues	$ 7,192,000	$ 6,804,000
Long-Lived Assets	4,630,000	4,822,000
UNITED STATES
Revenues	6,372,000	5,730,000
Long-Lived Assets	3,141,000	3,253,000
MEXICO
Revenues	486,000	521,000
Long-Lived Assets	146,000	162,000
BRAZIL
Revenues	60,000	209,000
Long-Lived Assets	0	0
TAIWAN, PROVINCE OF CHINA
Revenues	170,000	90,000
Long-Lived Assets	255,000	276,000
CHINA
Revenues	13,000	10,000
Long-Lived Assets	1,088,000	1,131,000
CANADA
Revenues	20,000	48,000
Long-Lived Assets	0	0
Other Foreign Countries [Member]
Revenues	71,000	196,000
Long-Lived Assets	$ 0	$ 0

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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