Note 8 - Income Tax (Detail) (USD $)	3 Months Ended			9 Months Ended
	Mar. 31, 2013	Sep. 30, 2012	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Income Tax Expense (Benefit)	$ 249,000		$ 661,000	$ 507,000	$ 3,682,000
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	(1,236,000)		2,231,000	(853,000)	9,216,000
Effective Income Tax Rate, Continuing Operations	20.10%		29.60%	59.40%	40.00%
Unrecognized Tax Benefits, Period Increase (Decrease)		(91,000)
Cash Dividend from Subsidiary in Australia [Member]
Increase in Income Tax Expense	178,000
Reduced Effective State Tax Rate [Member]
Increase in Income Tax Expense	675,000
Changed Position on Previously Filed Returns [Member]
Increase in Income Tax Benefit	414,000
Other Discrete Taxes [Member]
Increase in Income Tax Expense	$ 66,000