Note 8 - Employee Benefit Plans (Detail) - Components of Net Periodic Benefit Cost (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2011
Defined Benefit Retirment Plan [Member]
Interest cost	$ 107		$ 146	$ 238
Expected return on assets	(118)		(166)	(197)
Amortization of net actuarial gain	11		90	136
Settlement losses			228
Total		(66)	298	177
Post Retirment Benefit Plan [Member]
Service cost	100		192	224
Interest cost	151		209	409
Amortization of prior service cost	(9)		(227)	(17)
Prior service cost recognized due to curtailment			(79)
Amortization of net actuarial gain				88
Total	$ 242	$ 619	$ 95	$ 704