|
Computation of Net Income (Loss) Per Share Basic and Diluted (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
|
12 Months Ended |
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
| Numerator: |
|
|
|
| Net income (loss) from continuing operations |
$ (19,377) |
$ 957 |
$ (34,258) |
| Dividends paid to participating securities |
(127) |
|
(657) |
| Dividends paid to participating securities |
(127) |
|
(657) |
| Numerator: |
|
|
|
| Net income (loss) from continuing operations |
(19,377) |
957 |
(34,258) |
| Dividends paid to participating securities |
(127) |
|
(657) |
| Dividends paid to participating securities |
(127) |
|
(657) |
| Class A |
|
|
|
| Numerator: |
|
|
|
| Net income (loss) from continuing operations |
(2,852) |
222 |
(9,900) |
| Net income (loss) from continuing operations applicable to common stockholders |
(2,852) |
222 |
(9,900) |
| Discontinued operations, net of tax |
40 |
199 |
(264) |
| Net income (loss) applicable to common stockholders |
(2,812) |
421 |
(10,164) |
| Net income (loss) from continuing operations |
(2,852) |
217 |
(9,900) |
| Net income (loss) from continuing operations applicable to common stockholders |
(2,852) |
217 |
(9,900) |
| Discontinued operations, net of tax |
40 |
195 |
(264) |
| Diluted discontinued operations, net of tax |
40 |
195 |
(264) |
| Net income (loss) applicable to common stockholders |
(2,812) |
412 |
(10,164) |
| Denominator: |
|
|
|
| Weighted average number of shares outstanding used to calculate basic net income (loss) per share |
5,853 |
8,816 |
9,574 |
| Basic net income (loss) per share: |
|
|
|
| Net income (loss) from continuing operations applicable to common stockholders |
$ (0.49) |
$ 0.03 |
$ (1.03) |
| Discontinued operations, net of tax |
$ 0.01 |
$ 0.02 |
$ (0.03) |
| Basic net income (loss) per share applicable to common stockholders |
$ (0.48) |
$ 0.05 |
$ (1.06) |
| Numerator: |
|
|
|
| Net income (loss) from continuing operations |
(2,852) |
222 |
(9,900) |
| Net income (loss) from continuing operations applicable to common stockholders |
(2,852) |
222 |
(9,900) |
| Discontinued operations, net of tax |
40 |
199 |
(264) |
| Net income (loss) applicable to common stockholders |
(2,812) |
421 |
(10,164) |
| Net income (loss) from continuing operations |
(2,852) |
217 |
(9,900) |
| Net income (loss) from continuing operations applicable to common stockholders |
(2,852) |
217 |
(9,900) |
| Discontinued operations, net of tax |
40 |
195 |
(264) |
| Diluted discontinued operations, net of tax |
40 |
195 |
(264) |
| Net income (loss) applicable to common stockholders |
(2,812) |
412 |
(10,164) |
| Weighted average number of shares outstanding used to calculate basic net income (loss) per share |
5,853 |
8,816 |
9,574 |
| Weighted average number of shares outstanding used to calculate diluted net income (loss) per share |
5,853 |
8,816 |
9,574 |
| Diluted net income (loss) per share: |
|
|
|
| Net income (loss) from continuing operations applicable to common stockholders |
$ (0.49) |
$ 0.03 |
$ (1.03) |
| Discontinued operations, net of tax |
$ 0.01 |
$ 0.02 |
$ (0.03) |
| Diluted net income (loss) per share applicable to common stockholders |
$ (0.48) |
$ 0.05 |
$ (1.06) |
| Class B |
|
|
|
| Numerator: |
|
|
|
| Net income (loss) from continuing operations |
(16,525) |
735 |
(24,358) |
| Dividends paid to participating securities |
(127) |
|
(657) |
| Net income (loss) from continuing operations applicable to common stockholders |
(16,652) |
735 |
(25,015) |
| Discontinued operations, net of tax |
247 |
661 |
(674) |
| Net income (loss) applicable to common stockholders |
(16,405) |
1,396 |
(25,689) |
| Net income (loss) from continuing operations |
(16,525) |
740 |
(24,358) |
| Dividends paid to participating securities |
(127) |
|
(657) |
| Reallocation of discontinued operations for Class A shares as a result of conversion of Class A to Class B share |
(2,852) |
217 |
(9,900) |
| Net income (loss) from continuing operations applicable to common stockholders |
(19,504) |
957 |
(34,915) |
| Discontinued operations, net of tax |
247 |
665 |
(674) |
| Diluted discontinued operations, net of tax |
287 |
860 |
(938) |
| Net income (loss) applicable to common stockholders |
(19,217) |
1,817 |
(35,853) |
| Denominator: |
|
|
|
| Weighted average number of shares outstanding used to calculate basic net income (loss) per share |
34,157 |
26,798 |
24,412 |
| Basic net income (loss) per share: |
|
|
|
| Net income (loss) from continuing operations applicable to common stockholders |
$ (0.49) |
$ 0.03 |
$ (1.02) |
| Discontinued operations, net of tax |
$ 0.01 |
$ 0.02 |
$ (0.03) |
| Basic net income (loss) per share applicable to common stockholders |
$ (0.48) |
$ 0.05 |
$ (1.05) |
| Numerator: |
|
|
|
| Net income (loss) from continuing operations |
(16,525) |
735 |
(24,358) |
| Dividends paid to participating securities |
(127) |
|
(657) |
| Net income (loss) from continuing operations applicable to common stockholders |
(16,652) |
735 |
(25,015) |
| Discontinued operations, net of tax |
247 |
661 |
(674) |
| Net income (loss) applicable to common stockholders |
(16,405) |
1,396 |
(25,689) |
| Net income (loss) from continuing operations |
(16,525) |
740 |
(24,358) |
| Dividends paid to participating securities |
(127) |
|
(657) |
| Reallocation of discontinued operations for Class A shares as a result of conversion of Class A to Class B share |
(2,852) |
217 |
(9,900) |
| Net income (loss) from continuing operations applicable to common stockholders |
(19,504) |
957 |
(34,915) |
| Discontinued operations, net of tax |
247 |
665 |
(674) |
| Diluted discontinued operations, net of tax |
287 |
860 |
(938) |
| Net income (loss) applicable to common stockholders |
(19,217) |
1,817 |
(35,853) |
| Weighted average number of shares outstanding used to calculate basic net income (loss) per share |
34,157 |
26,798 |
24,412 |
| Weighted average stock options and common shares subject to repurchase or cancellation |
|
1,385 |
|
| Conversion of Class A to Class B common shares outstanding |
5,853 |
8,816 |
9,574 |
| Weighted average number of shares outstanding used to calculate diluted net income (loss) per share |
40,010 |
36,999 |
33,986 |
| Diluted net income (loss) per share: |
|
|
|
| Net income (loss) from continuing operations applicable to common stockholders |
$ (0.49) |
$ 0.03 |
$ (1.02) |
| Discontinued operations, net of tax |
$ 0.01 |
$ 0.02 |
$ (0.03) |
| Diluted net income (loss) per share applicable to common stockholders |
$ (0.48) |
$ 0.05 |
$ (1.05) |
| Class B | Discontinued Operations |
|
|
|
| Numerator: |
|
|
|
| Reallocation of discontinued operations for Class A shares as a result of conversion of Class A to Class B share |
40 |
195 |
(264) |
| Numerator: |
|
|
|
| Reallocation of discontinued operations for Class A shares as a result of conversion of Class A to Class B share |
$ 40 |
$ 195 |
$ (264) |