|
Condensed Balance Sheets (USD $)
|
Dec. 31, 2014
|
Dec. 31, 2013
|
| Current assets: |
|
|
| Cash and cash equivalents |
$ 28,518,000 |
$ 12,303,000 |
| Marketable Securities |
76,758,000 |
|
| Prepaid expenses and other current assets |
2,057,000 |
334,000 |
| Total current assets |
107,333,000 |
12,637,000 |
| Property and equipment, net |
842,000 |
76,000 |
| Other assets |
242,000 |
45,000 |
| Total assets |
108,417,000 |
12,758,000 |
| Current liabilities: |
|
|
| Accounts payable |
2,292,000 |
300,000 |
| Accrued expenses and other current liabilities |
18,267,000 |
22,007,000 |
| Current portion of note payable, net of discount |
|
13,005,000 |
| Total current liabilities |
20,559,000 |
35,312,000 |
| Note payable, net of current portion and discount |
24,394,000 |
|
| Warrant liability |
|
1,945,000 |
| Commitments and contingencies |
|
|
| Stockholders' equity (deficit): |
|
|
| Common stock, $.0001 par value; 200,000,000 shares and 100,000,000 shares authorized, 32,924,535 shares and 385,664 shares issued and outstanding at December 31, 2014 and December 31, 2013, respectively |
3,000 |
|
| Additional paid-in-capital |
407,720,000 |
|
| Accumulated other comprehensive loss |
(21,000) |
|
| Accumulated deficit |
344,238,000 |
277,301,000 |
| Total stockholders' equity (deficit) |
63,464,000 |
(277,301,000) |
| Total liabilities, convertible preferred stock and stockholders' equity (deficit) |
108,417,000 |
12,758,000 |
| Series B Convertible Preferred Stock |
|
|
| Current liabilities: |
|
|
| Preferred Stock |
|
43,892,000 |
| Stockholders' equity (deficit): |
|
|
| Total stockholders' equity (deficit) |
|
43,892,000 |
| Series A-1 Convertible Preferred Stock |
|
|
| Current liabilities: |
|
|
| Preferred Stock |
|
78,737,000 |
| Stockholders' equity (deficit): |
|
|
| Total stockholders' equity (deficit) |
|
78,737,000 |
| Series A-2 Convertible Preferred Stock |
|
|
| Current liabilities: |
|
|
| Preferred Stock |
|
93,977,000 |
| Stockholders' equity (deficit): |
|
|
| Total stockholders' equity (deficit) |
|
93,977,000 |
| Series A-3 Convertible Preferred Stock |
|
|
| Current liabilities: |
|
|
| Preferred Stock |
|
12,232,000 |
| Stockholders' equity (deficit): |
|
|
| Total stockholders' equity (deficit) |
|
12,232,000 |
| Series A-4 Convertible Preferred Stock |
|
|
| Current liabilities: |
|
|
| Preferred Stock |
|
271,000 |
| Stockholders' equity (deficit): |
|
|
| Total stockholders' equity (deficit) |
|
271,000 |
| Series A-5 Convertible Preferred Stock |
|
|
| Current liabilities: |
|
|
| Preferred Stock |
|
525,000 |
| Stockholders' equity (deficit): |
|
|
| Total stockholders' equity (deficit) |
|
525,000 |
| Series A-6 Convertible Preferred Stock |
|
|
| Current liabilities: |
|
|
| Preferred Stock |
|
23,168,000 |
| Stockholders' equity (deficit): |
|
|
| Total stockholders' equity (deficit) |
|
$ 23,168,000 |