Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Condensed Consolidated Statements of Operations [Abstract]
REVENUES	$ 29,706	$ 35,682
Cost and expenses:
Manufacturing cost of sales	21,966	24,918
Engineering, selling and administrative	9,522	10,090
OPERATING (LOSS) INCOME	(1,782)	674
Other income (expense):
Interest expense, net	(89)	(109)
Other income, net	27	2
Total Other Expense	(62)	(107)
(LOSS) INCOME BEFORE INCOME TAXES	(1,844)	567
Income tax benefit (provision) (Note F)	524	(185)
NET(LOSS) INCOME	$ (1,320)	$ 382
Weighted average number of shares used in basic and diluted net income (loss) per common share calculation (in shares)	2,593,741	2,572,825
BASIC AND DILUTED NET INCOME (LOSS) PER COMMON SHARE (in dollars per share)	$ (0.51)	$ 0.15