ADDITIONAL INFORMATION WITH RESPECT TO OUTSTANDING OPTIONS (Detail) - $ / shares | 12 Months Ended | | | |
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2013 |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | | | | |
Options Outstanding, Number of Shares | 2,961,350 | 2,935,060 | 2,657,348 | 2,413,525 |
Options Exercisable, Weighted Average Exercise Price | $ 0.72 | $ 0.70 | $ 0.83 | $ 0.95 |
Range One | | | | |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | | | | |
Options Outstanding, Options Exercise Price Range | $ 1.07 | | | |
Options Outstanding, Number of Shares | 22,500 | | | |
Options Outstanding, Weighted Average Remaining Contractual Life | 5 months 1 day | | | |
Options Exercisable, Weighted Average Exercise Price | $ 1.07 | | | |
Options Exercisable, Number of Shares | 22,500 | | | |
Options Exercisable, Weighted Average Remaining Contractual Life | 5 months 1 day | | | |
Range Two | | | | |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | | | | |
Options Outstanding, Options Exercise Price Range | $ 1.04 | | | |
Options Outstanding, Number of Shares | 30,000 | | | |
Options Outstanding, Weighted Average Remaining Contractual Life | 4 years 4 months 13 days | | | |
Options Exercisable, Weighted Average Exercise Price | $ 1.04 | | | |
Options Exercisable, Number of Shares | 30,000 | | | |
Options Exercisable, Weighted Average Remaining Contractual Life | 4 years 4 months 13 days | | | |
Range Three | | | | |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | | | | |
Options Outstanding, Options Exercise Price Range | $ 1 | | | |
Options Outstanding, Number of Shares | 65,000 | | | |
Options Outstanding, Weighted Average Remaining Contractual Life | 4 years 2 months 8 days | | | |
Options Exercisable, Weighted Average Exercise Price | $ 1 | | | |
Options Exercisable, Number of Shares | 0 | | | |
Options Exercisable, Weighted Average Remaining Contractual Life | 4 years 2 months 8 days | | | |
Range Four | | | | |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | | | | |
Options Outstanding, Options Exercise Price Range | $ 0.95 | | | |
Options Outstanding, Number of Shares | 227,825 | | | |
Options Outstanding, Weighted Average Remaining Contractual Life | 8 months 16 days | | | |
Options Exercisable, Weighted Average Exercise Price | $ 0.95 | | | |
Options Exercisable, Number of Shares | 227,825 | | | |
Options Exercisable, Weighted Average Remaining Contractual Life | 8 months 16 days | | | |
Range Five | | | | |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | | | | |
Options Outstanding, Options Exercise Price Range | $ 0.88 | | | |
Options Outstanding, Number of Shares | 631,250 | | | |
Options Outstanding, Weighted Average Remaining Contractual Life | 4 years 8 months 1 day | | | |
Options Exercisable, Weighted Average Exercise Price | $ 0.88 | | | |
Options Exercisable, Number of Shares | 0 | | | |
Options Exercisable, Weighted Average Remaining Contractual Life | 4 years 8 months 1 day | | | |
Range Six | | | | |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | | | | |
Options Outstanding, Options Exercise Price Range | $ 0.81 | | | |
Options Outstanding, Number of Shares | 808,325 | | | |
Options Outstanding, Weighted Average Remaining Contractual Life | 1 year 7 months 10 days | | | |
Options Exercisable, Weighted Average Exercise Price | $ 0.81 | | | |
Options Exercisable, Number of Shares | 606,600 | | | |
Options Exercisable, Weighted Average Remaining Contractual Life | 1 year 7 months 10 days | | | |
Range Seven | | | | |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | | | | |
Options Outstanding, Options Exercise Price Range | $ 0.80 | | | |
Options Outstanding, Number of Shares | 22,500 | | | |
Options Outstanding, Weighted Average Remaining Contractual Life | 1 year 4 months 10 days | | | |
Options Exercisable, Weighted Average Exercise Price | $ 0.80 | | | |
Options Exercisable, Number of Shares | 22,500 | | | |
Options Exercisable, Weighted Average Remaining Contractual Life | 1 year 4 months 10 days | | | |
Range Eight | | | | |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | | | | |
Options Outstanding, Options Exercise Price Range | $ 0.74 | | | |
Options Outstanding, Number of Shares | 22,500 | | | |
Options Outstanding, Weighted Average Remaining Contractual Life | 2 years 4 months 6 days | | | |
Options Exercisable, Weighted Average Exercise Price | $ 0.74 | | | |
Options Exercisable, Number of Shares | 22,500 | | | |
Options Exercisable, Weighted Average Remaining Contractual Life | 2 years 4 months 6 days | | | |
Range Nine | | | | |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | | | | |
Options Outstanding, Options Exercise Price Range | $ 0.64 | | | |
Options Outstanding, Number of Shares | 15,000 | | | |
Options Outstanding, Weighted Average Remaining Contractual Life | 2 years 4 months 13 days | | | |
Options Exercisable, Weighted Average Exercise Price | $ 0.64 | | | |
Options Exercisable, Number of Shares | 15,000 | | | |
Options Exercisable, Weighted Average Remaining Contractual Life | 2 years 4 months 13 days | | | |
Range Ten | | | | |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | | | | |
Options Outstanding, Options Exercise Price Range | $ 0.57 | | | |
Options Outstanding, Number of Shares | 5,000 | | | |
Options Outstanding, Weighted Average Remaining Contractual Life | 3 years 2 months 8 days | | | |
Options Exercisable, Weighted Average Exercise Price | $ 0.57 | | | |
Options Exercisable, Number of Shares | 5,000 | | | |
Options Exercisable, Weighted Average Remaining Contractual Life | 3 years 2 months 8 days | | | |
Range Eleven | | | | |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | | | | |
Options Outstanding, Options Exercise Price Range | $ 0.50 | | | |
Options Outstanding, Number of Shares | 476,400 | | | |
Options Outstanding, Weighted Average Remaining Contractual Life | 2 years 7 months 6 days | | | |
Options Exercisable, Weighted Average Exercise Price | $ 0.50 | | | |
Options Exercisable, Number of Shares | 193,725 | | | |
Options Exercisable, Weighted Average Remaining Contractual Life | 2 years 7 months 6 days | | | |
Range Twelve | | | | |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | | | | |
Options Outstanding, Options Exercise Price Range | $ 0.48 | | | |
Options Outstanding, Number of Shares | 605,050 | | | |
Options Outstanding, Weighted Average Remaining Contractual Life | 3 years 7 months 13 days | | | |
Options Exercisable, Weighted Average Exercise Price | $ 0.48 | | | |
Options Exercisable, Number of Shares | 151,825 | | | |
Options Exercisable, Weighted Average Remaining Contractual Life | 3 years 7 months 13 days | | | |
Range Thirteen | | | | |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | | | | |
Options Outstanding, Options Exercise Price Range | $ 0.23 | | | |
Options Outstanding, Number of Shares | 30,000 | | | |
Options Outstanding, Weighted Average Remaining Contractual Life | 3 years 4 months 6 days | | | |
Options Exercisable, Weighted Average Exercise Price | $ 0.23 | | | |
Options Exercisable, Number of Shares | 30,000 | | | |
Options Exercisable, Weighted Average Remaining Contractual Life | 3 years 4 months 6 days | | | |