Note 8 - Income Taxes (Details Textual) - USD ($)	3 Months Ended			6 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Deferred Tax Assets, Valuation Allowance	$ 0			$ 0
Income Tax Expense (Benefit)	534,000		$ 1,876,000	1,194,000	$ 2,694,000
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	$ 992,000		$ 4,323,000	$ 1,474,000	$ 6,064,000
Effective Income Tax Rate Reconciliation, Percent	53.80%		43.40%	81.00%	44.40%
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount, Return to Provision Adjustment	$ (146,000)	$ (54,000)
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount, Expiration of Statute of Limitations	46,000
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount, Use of Tax Loss Carryforwards			$ (33,000)		$ (108,000)
Decrease in Unrecognized Tax Benefits is Reasonably Possible	$ 400,000			$ 400,000