Note 14 - Accumulated Comprehensive Loss (Detail) - Accumulated Other Comprehensive Income (Loss), Net of Tax (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Beginning Balance at December 31, 2011			$ 29,000
Beginning Balance at December 31, 2011			(1,914,000)
Beginning Balance at December 31, 2011			(1,885,000)
Activity for the six months ended June 30, 2012	(16,000)	71,000	13,000	47,000
Activity for the six months ended June 30, 2012	8,950,000	(1,478,000)	2,273,000	(9,261,000)
Activity for the six months ended June 30, 2012	8,934,000	(1,407,000)	2,286,000	(9,214,000)
Ending Balance at June 30, 2012	42,000		42,000
Ending Balance at June 30, 2012	359,000		359,000
Ending Balance at June 30, 2012	$ 401,000		$ 401,000