Note 1 - Nature Of Operations And Summary Of Significant Accounting Policies (Detail) - Interest Costs (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2012	Jun. 30, 2011
Interest costs charged to expense	$ 330	$ 870	$ 358
Plus: Interest cost capitalized	62	136	160
Total	$ 392	$ 1,006	$ 518