Additional Information with Respect to Outstanding Options (Detail) (USD $) | 6 Months Ended |
Dec. 31, 2014 |
Range One | |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | |
Options Outstanding, Options Exercise Price Range | $1.29 |
Options Outstanding, Number of Shares | 295,300 |
Options Outstanding, Weighted Average Remaining Contractual Life | 1 month 10 days |
Options Exercisable, Weighted Average Exercise Price | $1.29 |
Options Exercisable, Number of Shares | 295,300 |
Options Exercisable, Weighted Average Remaining Contractual Life | 1 month 10 days |
Range Two | |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | |
Options Outstanding, Options Exercise Price Range | $1.27 |
Options Outstanding, Number of Shares | 15,000 |
Options Outstanding, Weighted Average Remaining Contractual Life | 8 months 12 days |
Options Exercisable, Weighted Average Exercise Price | $1.27 |
Options Exercisable, Number of Shares | 15,000 |
Options Exercisable, Weighted Average Remaining Contractual Life | 8 months 12 days |
Range Three | |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | |
Options Outstanding, Options Exercise Price Range | $1.15 |
Options Outstanding, Number of Shares | 22,500 |
Options Outstanding, Weighted Average Remaining Contractual Life | 10 months 17 days |
Options Exercisable, Weighted Average Exercise Price | $1.15 |
Options Exercisable, Number of Shares | 22,500 |
Options Exercisable, Weighted Average Remaining Contractual Life | 10 months 17 days |
Range Four | |
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 | 1 year 11 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 | 1 year 11 months 1 day |
Range Five | |
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 | 232,725 |
Options Outstanding, Weighted Average Remaining Contractual Life | 2 years 2 months 16 days |
Options Exercisable, Weighted Average Exercise Price | $0.95 |
Options Exercisable, Number of Shares | 117,112 |
Options Exercisable, Weighted Average Remaining Contractual Life | 2 years 2 months 16 days |
Range Six | |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | |
Options Outstanding, Options Exercise Price Range | $0.86 |
Options Outstanding, Number of Shares | 515,035 |
Options Outstanding, Weighted Average Remaining Contractual Life | 1 year 1 month 10 days |
Options Exercisable, Weighted Average Exercise Price | $0.86 |
Options Exercisable, Number of Shares | 383,298 |
Options Exercisable, Weighted Average Remaining Contractual Life | 1 year 1 month 10 days |
Range Seven | |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] | |
Options Outstanding, Options Exercise Price Range | $0.81 |
Options Outstanding, Number of Shares | 815,250 |
Options Outstanding, Weighted Average Remaining Contractual Life | 3 years 1 month 6 days |
Options Exercisable, Weighted Average Exercise Price | $0.81 |
Options Exercisable, Number of Shares | 204,900 |
Options Exercisable, Weighted Average Remaining Contractual Life | 3 years 1 month 6 days |
Range Eight | |
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 | 2 years 10 months 6 days |
Options Exercisable, Weighted Average Exercise Price | $0.80 |
Options Exercisable, Number of Shares | 22,500 |
Options Exercisable, Weighted Average Remaining Contractual Life | 2 years 10 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 | $0.75 |
Options Outstanding, Number of Shares | 75,000 |
Options Outstanding, Weighted Average Remaining Contractual Life | 1 year 4 months 10 days |
Options Exercisable, Weighted Average Exercise Price | $0.75 |
Options Exercisable, Number of Shares | 56,250 |
Options Exercisable, Weighted Average Remaining Contractual Life | 1 year 4 months 10 days |
Range Ten | |
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 | 3 years 10 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 | 3 years 10 months 6 days |
Range Eleven | |
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 | 3 years 10 months 13 days |
Options Exercisable, Weighted Average Exercise Price | $0.64 |
Options Exercisable, Number of Shares | 7,500 |
Options Exercisable, Weighted Average Remaining Contractual Life | 3 years 10 months 13 days |
Range Twelve | |
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 | 4 years 8 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 | 4 years 8 months 8 days |
Range Thirteen | |
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 | 552,050 |
Options Outstanding, Weighted Average Remaining Contractual Life | 4 years 1 month 6 days |
Options Exercisable, Weighted Average Exercise Price | $0.50 |
Options Exercisable, Number of Shares | 0 |
Options Exercisable, Weighted Average Remaining Contractual Life | 4 years 1 month 6 days |
Range Fourteen | |
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 | 4 years 10 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 | 4 years 10 months 6 days |