|
Consolidated Statement of Changes in Shareholders' Equity (USD $)
In Thousands, except Share data
|
Total
USD ($)
|
Common Stock
Common Class A
USD ($)
|
Common Stock
Common Class B
|
Additional Paid-In Capital
USD ($)
|
Accumulated Deficit
USD ($)
|
| Beginning balance at Dec. 31, 2010 |
$ 31,570 |
$ 1 |
|
$ 60,726 |
$ (29,157) |
| Beginning balance (in shares) at Dec. 31, 2010 |
|
16,157,339 |
2,153,293 |
|
|
| Issuance of common stock and other equity changes related to compensation (in shares) |
|
29,408 |
|
|
|
| Issuance of common stock and other equity changes related to compensation |
533 |
|
|
533 |
|
| Issuance of common stock and stock options related to an acquisition (in shares) |
|
8,700,000 |
|
|
|
| Issuance of common stock and stock options related to an acquisition |
21,673 |
2 |
|
21,671 |
|
| Repurchase of common stock, Shares |
|
(379,400) |
|
|
|
| Repurchase of common stock |
(1,070) |
|
|
(1,070) |
|
| Conversion of Class B common stock to Class A common stock (in shares) |
|
2,153,293 |
(2,153,293) |
|
|
| Net loss |
(1,900) |
|
|
|
(1,900) |
| Ending balance at Dec. 31, 2011 |
50,806 |
3 |
|
81,860 |
(31,057) |
| Ending balance (in shares) at Dec. 31, 2011 |
|
26,660,640 |
|
|
|
| Issuance of common stock and other equity changes related to compensation (in shares) |
|
33,056 |
|
|
|
| Issuance of common stock and other equity changes related to compensation |
325 |
|
|
325 |
|
| Net loss |
(47,206) |
|
|
|
(47,206) |
| Ending balance at Dec. 31, 2012 |
3,925 |
3 |
|
82,185 |
(78,263) |
| Ending balance (in shares) at Dec. 31, 2012 |
|
26,693,696 |
|
|
|
| Issuance of common stock and other equity changes related to compensation (in shares) |
|
132,267 |
|
|
|
| Issuance of common stock and other equity changes related to compensation |
509 |
|
|
509 |
|
| Establishment of liability related to common stock warrant |
(17,597) |
|
|
(17,597) |
|
| Issuance of common stock related to equity funding, net of offering costs of $2,485 (in shares) |
|
9,266,974 |
|
|
|
| Issuance of common stock related to equity funding, net of offering costs of $2,485 |
26,834 |
1 |
|
26,833 |
|
| Issuance of common stock related to the exercise of warrants, shares |
|
260,791 |
|
|
|
| Issuance of common stock related to the exercise of warrants |
500 |
|
|
500 |
|
| Issuance of warrants to Silicon Valley Bank |
278 |
|
|
278 |
|
| Issuance of common stock related to related party debt conversion, shares |
|
62,111 |
|
|
|
| Issuance of common stock related to related party debt conversion |
100 |
|
|
100 |
|
| Net loss |
(11,300) |
|
|
|
(11,300) |
| Ending balance at Dec. 31, 2013 |
$ 3,249 |
$ 4 |
|
$ 92,808 |
$ (89,563) |
| Ending balance (in shares) at Dec. 31, 2013 |
|
36,415,839 |
|
|
|