Subsequent Events - Additional Information (Detail) - USD ($) |
9 Months Ended | ||
|---|---|---|---|
Mar. 23, 2018 |
Mar. 15, 2018 |
Feb. 28, 2018 |
|
| Subsequent Event [Line Items] | |||
| Grant date fair value | $ 0.25 | ||
| Subsequent Event | |||
| Subsequent Event [Line Items] | |||
| Warrants to purchase common shares, shares | 3,027,263 | ||
| Gross cash proceeds from warrant tender offer | $ 1,500,000 | ||
| Warrant tender offer fee paid | $ 73,000 | ||
| Subsequent Event | Executive Officer [Member] | |||
| Subsequent Event [Line Items] | |||
| Shares of common stock issued | 310,527 | ||
| Grant date fair value | $ 0.57 | ||
| Common stock issue tendered for payment of income taxes | 159,011 |
| X | ||||||||||
- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of cash outflow for fees classified as other. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Gross number of share options (or share units) granted during the period. No definition available.
|
| X | ||||||||||
- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer. No definition available.
|
| X | ||||||||||
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. No definition available.
|
| X | ||||||||||
- Definition Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|