Balance Sheets - USD ($) $ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
| Current assets: |
|
|
| Cash and cash equivalents |
$ 12,092
|
$ 15,101
|
| Marketable securities |
46,184
|
91,640
|
| Income tax receivable |
852
|
384
|
| Other receivables |
87
|
80
|
| Prepaid expenses |
1,530
|
1,729
|
| Restricted cash, current |
700
|
|
| Total current assets |
61,445
|
108,934
|
| Property and equipment, net |
1,614
|
1,263
|
| Restricted cash |
769
|
700
|
| Total assets |
63,828
|
110,897
|
| Current liabilities: |
|
|
| Accounts payable and accrued expenses |
11,533
|
5,268
|
| Total current liabilities |
11,533
|
5,268
|
| Deferred lease obligation |
1,570
|
585
|
| Commitments and contingencies (Note 19) |
|
|
| Stockholders' equity: |
|
|
| Preferred stock; $0.001 par value; 5,000,000 shares authorized at December 31, 2016 and December 31, 2015; zero shares issued and outstanding at December 31, 2016 and December 31, 2015 |
|
|
| Common stock; $0.001 par value; 100,000,000 shares authorized at December 31, 2016 and December 31, 2015; 27,296,863 shares and 27,254,863 shares issued and outstanding at December 31, 2016 and December 31, 2015, respectively |
27
|
27
|
| Additional paid-in capital |
212,866
|
209,943
|
| Accumulated deficit |
(162,171)
|
(104,891)
|
| Accumulated other comprehensive income (loss) |
3
|
(35)
|
| Total stockholders' equity |
50,725
|
105,044
|
| Total liabilities and stockholders' equity |
$ 63,828
|
$ 110,897
|