|
Net Income Per Common Share Data (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
|
3 Months Ended |
6 Months Ended |
|
Jun. 30, 2012
|
Jun. 30, 2011
|
Jun. 30, 2012
|
Jun. 30, 2011
|
| Basic and Diluted Net Income Per Share |
|
|
|
|
| Net income |
$ 1,199 |
$ 592 |
$ 2,373 |
$ 703 |
| Less: undistributed earnings allocated to preferred stockholders |
|
(541) |
|
(642) |
| Net income attributable to common stockholders |
1,199 |
51 |
2,373 |
61 |
| Number of shares used in basic calculation |
27,212,105 |
1,974,991 |
21,907,842 |
1,952,574 |
| Basic net income per share attributable to common stockholders |
$ 0.04 |
$ 0.03 |
$ 0.11 |
$ 0.03 |
| Diluted net income per share attributable to common stockholders: |
|
|
|
|
| Net income |
1,199 |
51 |
2,373 |
61 |
| Add: Undistributed earnings allocated to preferred stockholders |
|
541 |
|
642 |
| Net income attributable to common stockholders |
$ 1,199 |
$ 592 |
$ 2,373 |
$ 703 |
| Number of shares used in basic calculation |
27,212,105 |
1,974,991 |
21,907,842 |
1,952,574 |
| Weighted-average effect of dilutive securities |
|
|
|
|
| Add: Conversion of preferred stock (as-if converted basis) |
|
17,395,136 |
3,918,684 |
17,395,136 |
| Add: Stock options |
2,380,003 |
3,083,681 |
2,435,356 |
3,040,112 |
| Number of shares used in diluted calculation |
29,592,108 |
22,453,808 |
28,261,882 |
22,387,822 |
| Diluted net income per share attributable to common stockholders |
$ 0.04 |
$ 0.03 |
$ 0.08 |
$ 0.03 |