Net Loss per Common Share (Detail) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Mar. 31, 2017 |
Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2017 |
Mar. 31, 2016 |
Mar. 31, 2015 |
|
| Earnings Per Share [Abstract] | |||||||||||
| Net loss from operations, net of taxes | $ (6,925) | $ (2,586) | $ (7,341) | $ (7,412) | $ (5,828) | $ (5,763) | $ (8,322) | $ (8,119) | $ (24,264) | $ (28,032) | $ (24,647) |
| Weighted average common shares outstanding, basic and diluted (in shares) | 66,595,000 | 66,634,000 | 66,457,000 | 66,286,000 | 66,278,000 | 65,979,000 | 57,274,000 | 57,388,000 | 66,511,000 | 61,763,000 | 38,967,000 |
| Basic and diluted net loss per common share ($ per share) | $ (0.10) | $ (0.04) | $ (0.11) | $ (0.11) | $ (0.09) | $ (0.09) | $ (0.14) | $ (0.14) | $ (0.36) | $ (0.46) | $ (0.63) |
| Common stock equivalents excluded from net loss per diluted share because their effect would have been anti-dilutive (in shares) | 825,675 | 1,438,355 | 1,574,372 | ||||||||
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. No definition available.
|
| X | ||||||||||
- Definition Amount after tax of income (loss) from continuing operations attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS). No definition available.
|