Note 8 - Employee Benefit Plans (Detail) - Status of the Company’s Benefit Plans (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2011
Negative plan amendment benefit			$ 1,165
Defined Benefit Retirment Plan [Member]
Beginning of period	4,024	2,690	4,884
Interest cost	107		146	238
Actuarial loss (gain)	805	(66)	(300)
Benefits paid	(52)		(2,040)
Benefit obligation at end of period	4,884		2,690	4,024
Post Retirment Benefit Plan [Member]
Beginning of period	6,498	5,700	6,309
Service cost	100		192	224
Interest cost	151		209	409
Actuarial loss (gain)	(134)	(28)	768
Negative plan amendment benefit			(1,165)
Benefits paid	(306)		(613)
Benefit obligation at end of period	$ 6,309		$ 5,700	$ 6,498