Share-Based Compensation - Additional Information (Detail) (USD $)	12 Months Ended						1 Months Ended	12 Months Ended
	Jun. 30, 2012 Year	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2012 Non Executive [Member]	Jun. 30, 2012 Twenty Eleven Omnibus Equity Incentive Plan [Member]	Jun. 30, 2012 2011 Plan [Member]	Jun. 30, 2012 2011 Plan [Member] Non Executive [Member]	Jun. 30, 2012 2011 Plan [Member] Non Executive [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options expiration period	10
Common stock shares available for issuance						3,350,000
Vesting period of awards					One-third
Options vesting period					3 years
Expected life of stock options				4 years 5 months 9 days	10 years
Percentage of exercise price on fair market value					110.00%
Aggregate fair market value on the grant date of shares subject to options which are designated as ISOs which become exercisable in any calendar year, shall not exceed per optionee					$ 100,000
Percentage of cash director compensation received								100.00%
Restricted common stock shares issued							27,259	73,213
Restricted common stock value of shares issued							35,000	119,000
Unrecognized compensation expense related to unvested share-based compensation arrangements	1,176,000
Unrecognized compensation expense expected to be recognized, amount	371,000
Total intrinsic value of options exercised	1,400	0	3,600
Weighted average grant date fair value of options granted	$ 1.08	$ 1.26	$ 1.52
Total fair value of shares vested	$ 240,000	$ 238,000	$ 225,000