Condensed Balance Sheet - USD ($)
|
Jun. 30, 2015 |
Dec. 31, 2014 |
| Current Assets: |
|
|
| Cash and cash equivalents |
$ 9,970,646
|
$ 9,826,245
|
| Marketable securities |
16,013,371
|
22,872,051
|
| Prepaid expenses and other current assets |
1,277,234
|
730,987
|
| Total Current Assets |
27,261,251
|
33,429,283
|
| Security Deposits |
30,785
|
25,681
|
| Equipment, Net |
77,841
|
78,096
|
| Total Assets |
27,369,877
|
33,533,060
|
| Current Liabilities: |
|
|
| Accounts payable and accrued expenses |
3,168,808
|
2,459,263
|
| Deferred Research and Development Arrangement |
562,500
|
600,000
|
| Other Liabilities |
115,444
|
124,955
|
| Warrant Liabilities |
2,094,176
|
3,768,351
|
| Total Liabilities |
$ 5,940,928
|
$ 6,952,569
|
| Commitments and Contingencies (note 14) |
|
|
| Stockholders' Equity: |
|
|
| Preferred stock, par value $0.0001, 100,000,000 authorized shares, none issued and outstanding |
|
|
| Common stock, par value $0.0001, 500,000,000 authorized shares, 180,738,033 and 178,366,533 issued and 180,624,818 and 178,253,318 outstanding |
$ 18,074
|
$ 17,837
|
| Additional paid-in capital |
120,371,716
|
118,057,019
|
| Accumulated other comprehensive income (loss) |
5,748
|
(33,647)
|
| Accumulated deficit |
(98,838,179)
|
(91,332,308)
|
| Treasury stock, 113,215 shares, at cost |
(128,410)
|
(128,410)
|
| Total Stockholders' Equity |
21,428,949
|
26,580,491
|
| Total Liabilities and Stockholders' Equity |
$ 27,369,877
|
$ 33,533,060
|