|
STATEMENTS OF POTENTIALLY REDEEMABLE EQUITY AND STOCKHOLDERS' EQUITY (USD $)
In Thousands
|
Potentially Redeemable Equity [Member]
|
Common Stock [Member]
|
Additional Paid-In Capital [Member]
|
Retained Earnings [Member]
|
Total
|
| Balance at Aug. 04, 2004 |
$ 0 |
$ 17 |
$ 146,125 |
$ (27,762) |
$ 118,380 |
| Balance (in shares) at Aug. 04, 2004 |
|
34,550 |
|
|
|
| Acquisition of CBI, August 5, 2004 |
0 |
2 |
23,451 |
0 |
23,453 |
| Acquisition of CBI, August 5, 2004 (in shares) |
|
3,248 |
|
|
|
| Acquisition of AzERx, February 27, 2006 |
0 |
1 |
7,763 |
0 |
7,764 |
| Acquisition of AzERx, February 27, 2006 (in shares) |
|
1,355 |
|
|
|
| Exercise of common stock options |
0 |
0 |
4,579 |
0 |
4,579 |
| Exercise of common stock options (in shares) |
|
997 |
|
|
|
| Stock-based compensation cost |
0 |
0 |
3,190 |
0 |
3,190 |
| Compensation earned on stock awards |
0 |
0 |
1,200 |
0 |
1,200 |
| Compensation earned on stock awards (in shares) |
|
494 |
|
|
|
| Sale of common stock |
0 |
1 |
3,375 |
0 |
3,376 |
| Sale of common stock (in shares) |
|
1,263 |
|
|
|
| Common stock purchased and retired |
0 |
(1) |
(1,040) |
0 |
(1,041) |
| Common stock purchased and retired (in shares) |
|
(1,132) |
|
|
|
| Recognized uncertain tax position |
0 |
0 |
0 |
(363) |
(363) |
| Net loss |
0 |
0 |
0 |
(125,810) |
(125,810) |
| Balance at Dec. 31, 2009 |
0 |
20 |
188,643 |
(153,935) |
34,728 |
| Balance (in shares) at Dec. 31, 2009 |
|
40,775 |
|
|
|
| Recognition of potentially redeemable equity, net of amortization |
15,556 |
0 |
0 |
(15,556) |
(15,556) |
| Stock-based compensation cost |
0 |
0 |
156 |
0 |
156 |
| Reclassification of share-based awards liability |
0 |
0 |
(541) |
0 |
(541) |
| Net loss |
0 |
0 |
0 |
(10,871) |
(10,871) |
| Balance at Dec. 31, 2010 |
15,556 |
20 |
188,258 |
(180,362) |
7,916 |
| Balance (in shares) at Dec. 31, 2010 |
|
40,775 |
|
|
|
| De-recognition of potentially redeemable equity, net of amortization |
(15,556) |
0 |
0 |
15,556 |
15,556 |
| Stock-based compensation cost |
0 |
0 |
159 |
0 |
159 |
| Reclassification of share-based awards liability |
0 |
0 |
657 |
0 |
657 |
| Net loss |
0 |
0 |
0 |
(9,711) |
(9,711) |
| Balance at Dec. 31, 2011 |
$ 0 |
$ 20 |
$ 189,074 |
$ (174,517) |
$ 14,577 |
| Balance (in shares) at Dec. 31, 2011 |
|
40,775 |
|
|
|