Note 10 - Leasing Activities (Detail) - Future Minimum Lease Payments under Operating Leases (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
2013	$ 1,755
2014	730
2015	284
2016	70
2017	27
Total	2,866
Other Leases, Land and Buildings [Member]
2013	7,133
2014	5,254
2015	4,368
2016	3,527
2017	2,241
Thereafter	7,049
Total	$ 29,572