Consolidated Steaments of Shareholders Equity (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Balance, values	$ 45,798	$ 45,055	$ 42,523
Issuance of common stock related to options, ESPP - value	124	75	53
Recognition of stock based compensation	414	336	313
Comprehensive net income:
Net income	2,145	18	2,242
Minimum pension liability adjustments	(8)	22	(132)
Unrealized gain(loss) on available for sale investments	(20)	4	(1)
Foreign currency translation adjustments	(14)	288	57
Comprehensive net income	2,103	332	2,166
Common Stock
Balance, shares	5,231	5,216	5,201
Balance, values	52	52	52
Issuance of common stock relsted to options, ESPP - shares	19	15	15
Additional Paid-In Capital
Balance, values	217,240	216,829	216,463
Issuance of common stock related to options, ESPP - value	124	75	53
Recognition of stock based compensation	414	336	313
Other Comprehensive Income / Loss
Balance, values	284	(30)	46
Comprehensive net income:
Minimum pension liability adjustments	(8)	22	(132)
Unrealized gain(loss) on available for sale investments	(20)	4	(1)
Foreign currency translation adjustments	(14)	288	57
Retained Earnings / Accumulated Deficit
Balance, values	(171,778)	(171,796)	(174,038)
Comprehensive net income:
Net income	$ 2,145	$ 18	$ 2,242