Statement of Changes in Shareholders' Equity (Unaudited) (USD $) In Thousands, except Share data	Common Stock [Member]	Additional Paid-in Capital [Member] USD ($)	Retained Earnings [Member] USD ($)	Accumulated Other Comprehensive Income (Loss) [Member] USD ($)	Comprehensive Income [Member] USD ($)	Total USD ($)
Balance at Dec. 31, 2011		$ 14,358	$ (8,321)	$ (904)		$ 5,133
Balance (in Shares) at Dec. 31, 2011	6,849,654
Stock compensation related to options granted to Telkoor's employees		(4)				(4)
Stock compensation related to options granted to employees		31				31
Net income			75		75	75
Change in available for sale marketable securities				37	37	37
Foreign currency translation adjustments				82	82	82
Total comprehensive income					194	194
Balance at Mar. 31, 2012		$ 14,385	$ (8,246)	$ (785)		$ 5,354
Balance (in Shares) at Mar. 31, 2012	6,698,968