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Note 4 - Earnings Per Common Share (Detail)
3 Months Ended 9 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2013
Mar. 31, 2012
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 1,842,075 1,656,338 2,058,075 1,792,849