Balance Sheets - USD ($) $ in Thousands |
Dec. 31, 2019 |
Dec. 31, 2018 |
| Current Assets: |
|
|
| Cash and cash equivalents |
$ 14,871
|
$ 18,933
|
| Accounts receivable |
0
|
185
|
| Prepaid expenses and other current assets |
132
|
170
|
| Total current assets |
15,003
|
19,288
|
| Property and equipment, net |
63
|
56
|
| Operating lease right-of-use asset |
161
|
0
|
| Security deposit |
13
|
13
|
| Total assets |
15,240
|
19,357
|
| Current liabilities: |
|
|
| Accounts payable |
315
|
348
|
| Accrued expenses |
145
|
224
|
| Accrued payroll related expenses |
819
|
984
|
| Current operating lease liability |
152
|
0
|
| Deferred revenue |
37
|
55
|
| Total liabilities |
1,468
|
1,611
|
| Stockholders' equity: |
|
|
| Preferred stock, $0.001 par value, authorized 2,500 shares: none issued and outstanding at December 31, 2019 and 2018 |
0
|
0
|
| Common stock, $0.001 par value, authorized 47,500 shares; 17,117 shares issued and outstanding at December 31, 2019 and 15,034 issued and outstanding as of December 31, 2018 |
17
|
15
|
| Additional paid-in capital |
149,017
|
139,693
|
| Accumulated deficit |
(135,262)
|
(121,962)
|
| Total stockholders' equity |
13,772
|
17,746
|
| Total liabilities and stockholders' equity |
$ 15,240
|
$ 19,357
|