Equity - Additional Information (Detail) | Jun. 16, 2015USD ($)Directors$ / sharesshares | May. 04, 2015USD ($)$ / sharesshares | Apr. 16, 2015USD ($)Directors$ / sharesshares | Jun. 30, 2015USD ($) | Jun. 30, 2014USD ($) | Jun. 30, 2015USD ($)$ / shares | Jun. 30, 2014USD ($) |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | |
Options, grant date price | $ / shares | | | | | | $ 4.77 | |
Unrecognized stock-based compensation cost | | | | $ 3,700,000 | | $ 3,700,000 | |
Unrecognized share-based compensation expense, weighted-average recognition period | | | | | | 1 year 6 months | |
Stock compensation expense | | | | | | $ 813,000 | $ 246,000 |
Amended and Restated Equity Incentive Plan [Member] | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | |
Number of additional shares authorized for issuance | shares | | 2,500,000 | | | | | |
Aggregate number of shares available for issuance | shares | | 9,500,000 | | | | | |
Amended and Restated Equity Incentive Plan [Member] | Certain Executives and Key Employees [Member] | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | |
Options, grant date price | $ / shares | | $ 4.78 | | | | | |
Options, weighted average fair market value | $ / shares | | $ 1.80 | | | | | |
Options, number granted | shares | | 1,645,000 | | | | | |
Options granted, fair market value | | $ 2,961,000 | | | | | |
Warrant [Member] | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | |
Stock compensation expense | | | | $ 111,000 | $ 40,000 | $ 207,000 | $ 35,000 |
Restricted Stock [Member] | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | |
Number of directors | Directors | 2 | | 4 | | | | |
Restricted Stock [Member] | Director One [Member] | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | |
Restricted stock granted | shares | 1,560 | | 2,080 | | | | |
Fair market value restricted stock | $ 9,079 | | $ 10,025 | | | | |
Restricted stock price per share | $ / shares | $ 5.82 | | $ 4.82 | | | | |
Restricted Stock [Member] | Director Two [Member] | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | |
Restricted stock granted | shares | 1,560 | | 2,080 | | | | |
Fair market value restricted stock | $ 9,079 | | $ 10,025 | | | | |
Restricted stock price per share | $ / shares | $ 5.82 | | $ 4.82 | | | | |
Restricted Stock [Member] | Director Three [Member] | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | |
Restricted stock granted | shares | | | 2,080 | | | | |
Fair market value restricted stock | | | $ 10,025 | | | | |
Restricted stock price per share | $ / shares | | | $ 4.82 | | | | |
Restricted Stock [Member] | Director Four [Member] | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | | | | | | | |
Restricted stock granted | shares | | | 2,080 | | | | |
Fair market value restricted stock | | | $ 10,025 | | | | |
Restricted stock price per share | $ / shares | | | $ 4.82 | | | | |