| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | Dec'17 |
|---|---|---|---|---|---|---|
Assets | ||||||
Current assets: | ||||||
Cash and cash equivalents | ||||||
4,696 | 4,823 | 4,662 | 4,781 | 3,975 | 2,386 | 5,786 |
Short-term investment securities | ||||||
26,587 | 29,399 | 30,793 | 32,104 | 35,778 | 38,816 | 41,898 |
Interest receivable | ||||||
227 | 329 | 235 | 399 | 290 | 294 | 489 |
Accounts receivable | ||||||
518 | 558 | 418 | 504 | 425 | 318 | 271 |
Income tax receivable | ||||||
500 | 250 | 9 | 0 | 500 | 506 | 0 |
Prepaid research and development | ||||||
- | - | 0 | 98 | 170 | 253 | 1,015 |
Prepaid expenses and other current assets | ||||||
288 | 277 | 336 | 112 | 166 | 172 | 154 |
Total current assets | ||||||
32,819 | 35,639 | 36,456 | 38,000 | 41,307 | 42,748 | 49,615 |
Non-current assets: | ||||||
Long-term investment securities | ||||||
2,518 | 1,511 | 1,514 | 1,516 | - | 0 | 922 |
Long-term income tax receivable | ||||||
0 | 250 | 500 | 500 | 500 | 500 | 0 |
Non-current portion of prepaid research and development | ||||||
- | - | - | - | - | - | 152 |
Other assets | ||||||
50 | 51 | 50 | 51 | 50 | 52 | 53 |
Total assets | ||||||
35,388 | 37,452 | 38,521 | 40,069 | 41,859 | 43,300 | 50,744 |
Liabilities and stockholders’ equity | ||||||
Current liabilities: | ||||||
Accounts payable | ||||||
653 | 943 | 713 | 963 | 948 | 309 | 520 |
Accrued expenses | ||||||
240 | 566 | 470 | 396 | 302 | 399 | 147 |
Deferred research and development obligations | ||||||
242 | 78 | 93 | 90 | 23 | 141 | 0 |
Income taxes payable | ||||||
- | - | - | - | - | - | 100 |
Total current liabilities | ||||||
1,135 | 1,588 | 1,276 | 1,449 | 1,274 | 849 | 768 |
Stockholders’ equity: | ||||||
Preferred stock | ||||||
0 | 0 | 0 | 0 | 0 | 0 | 0 |
Common stock | ||||||
39 | 39 | 39 | 39 | 38 | 38 | 38 |
Additional paid-in capital | ||||||
96,707 | 96,105 | 95,747 | 95,424 | 94,694 | 94,385 | 93,913 |
Treasury stock, shares held at cost | ||||||
18,900 | 18,900 | 18,900 | 18,929 | 18,900 | 18,900 | 16,600 |
Accumulated deficit | ||||||
-43,565 | -41,351 | -39,612 | -37,914 | -35,218 | -33,043 | -27,351 |
Total stockholders’ equity | ||||||
34,252 | 35,864 | 37,244 | 38,619 | 40,585 | 42,451 | 49,975 |
Total liabilities and stockholders’ equity | ||||||
35,388 | 37,452 | 38,521 | 40,069 | 41,859 | 43,300 | 50,744 |