Note 12 - Commitments And Contingencies (Detail) (USD $)	9 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 19, 2012
Business Acquisition, Contingent Consideration, at Fair Value		$ 218,000	$ 877,000
Liability Payment Period	5 years
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	659,000
Business Acquisition Contingent Consideration at Fair Value Including Accrued Interest	241,000
Reversed [Member]
Business Combination Contingent Consideration Change In Accrued Interest Amount	46,000
Standby Letters of Credit [Member]
Letters of Credit Outstanding, Amount	$ 300,000