Note 11 - Investment in Telkoor (Details) In Thousands, except Share data, unless otherwise specified	12 Months Ended		0 Months Ended	12 Months Ended
	Dec. 31, 2012 Telkoor [Member] USD ($)	Dec. 31, 2013 Telkoor [Member] ILS	Jul. 16, 2011 Telkoor [Member]	Dec. 31, 2013 Telkoor [Member] USD ($)	Dec. 31, 2012 Telkoor [Member] USD ($)
Note 11 - Investment in Telkoor (Details) [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in Shares)			1,136,666
Business Acquisition, Percentage of Voting Interests Acquired			8.80%
Investments, Fair Value Disclosure					$ 780
Other than Temporary Impairment Losses, Investments	218			312
Proceeds from Dividends Received				$ 64
Share Price (in New Shekels per share)		1.24