|
Net Income (Loss) Per Share - Summary of Basic and Diluted Earnings Per Share (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 31, 2013
|
Sep. 30, 2013
|
Jun. 30, 2013
|
Mar. 31, 2013
|
Dec. 31, 2012
|
Sep. 30, 2012
|
Jun. 30, 2012
|
Mar. 31, 2012
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|
| Numerator: | |||||||||||
| Net loss | $ (2,647) | $ (4,882) | $ (2,904) | $ (2,300) | $ (4,581) | $ 450 | $ (2,559) | $ (6,562) | $ (12,733) | $ (13,252) | $ (22,024) |
| Denominator: | |||||||||||
| Weighted average common shares outstanding-basic (shares) | 34,012 | 33,198 | 32,573 | ||||||||
| Dilutive common stock equivalents (shares) | 0 | 0 | 0 | ||||||||
| Weighted average common shares outstanding-diluted (shares) | 34,012 | 33,198 | 32,573 | ||||||||
| Net loss per share: | |||||||||||
| Earnings Per Share, Basic | $ (0.08) | $ (0.14) | $ (0.09) | $ (0.07) | $ (0.14) | $ 0.01 | $ (0.08) | $ (0.20) | $ (0.37) | $ (0.40) | $ (0.68) |
| Earnings Per Share, Diluted | $ (0.08) | $ (0.14) | $ (0.09) | $ (0.07) | $ (0.14) | $ 0.01 | $ (0.08) | $ (0.20) | $ (0.37) | $ (0.40) | $ (0.68) |