Shareholders' Equity - Activity of Company's Share Options (Detail) (USD $)	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Schedule Of Stock Option Activity [Line Items]
Number of Shares, Options outstanding, Beginning balance	617,499	400,499	174,249
Number of Shares, Granted	21,000	260,000	250,000
Number of Shares, Forfeited	(89,500)	(43,000)	(23,750)
Number of Shares, Options outstanding, Ending balance	548,999	617,499	400,499
Options Outstanding, Weighted Average Exercise Price, Beginning Balance	$ 1.92	$ 2.62	$ 5.80
Exercisable, Number of Shares, Options outstanding, Ending balance	448,998	404,163	220,498
Weighted Average Exercise Price, Granted	$ 0.71	$ 1.22	$ 1.97
Weighted Average Exercise Price, Forfeited	$ 2.15	$ 2.13	$ 2.67
Options Outstanding, Weighted Average Exercise Price, Ending Balance	$ 1.92	$ 1.92	$ 2.62
Exercisable, Weighted Average Exercise Price, Ending balance	$ 2.97	$ 3.18	$ 4.75
Range of Exercise Prices, Granted	$ 0.71	$ 1.22
Minimum [Member]
Schedule Of Stock Option Activity [Line Items]
Outstanding Options, Range of Exercise Prices, Beginning balance	$ 1.22	$ 1.67	$ 2.50
Range of Exercise Prices, Granted			$ 1.67
Range of Exercise Prices, Forfeited	$ 1.22	$ 2.09	$ 2.50
Outstanding Options, Range of Exercise Prices, Ending balance	$ 0.71	$ 1.22	$ 1.67
Exercisable, Range of Exercise Prices, Ending balance	$ 0.71	$ 1.22	$ 1.67
Maximum [Member]
Schedule Of Stock Option Activity [Line Items]
Outstanding Options, Range of Exercise Prices, Beginning balance	$ 9.63	$ 9.63	$ 9.63
Range of Exercise Prices, Granted			$ 2.09
Range of Exercise Prices, Forfeited	$ 2.90	$ 2.65	$ 3.00
Outstanding Options, Range of Exercise Prices, Ending balance	$ 9.63	$ 9.63	$ 9.63
Exercisable, Range of Exercise Prices, Ending balance	$ 9.63	$ 9.63	$ 9.63