| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 |
|---|---|---|---|---|---|---|---|---|---|---|
Cash flows from operating activities: | ||||||||||
Net income (loss) | ||||||||||
-19,180 | -25,406 | -17,278 | -28,569 | -29,234 | -9,902 | -27,608 | -26,924 | -17,263 | 41,417 | -12,524 |
Adjustments to reconcile income (loss) to net cash from operating activities: | ||||||||||
Depreciation | ||||||||||
7 | 18 | 26 | 28 | 26 | 25 | - | - | - | - | - |
Stock-based compensation | ||||||||||
- | - | - | - | - | - | 7,563 | 6,162 | 4,367 | 3,381 | 3,032 |
Depreciation and amortization | ||||||||||
- | - | - | - | - | - | 36 | 71 | 68 | 59 | 63 |
Amortization of warrant issuance costs during the period. | ||||||||||
- | - | 0 | 30 | 91 | 0 | 0 | - | - | - | - |
Stock-based compensation | ||||||||||
3,711 | 4,055 | 3,986 | 5,398 | 7,275 | 8,189 | - | - | - | - | - |
Net change in deferred taxes (benefit) | ||||||||||
- | - | - | - | - | - | - | - | - | - | 0 |
Change in value of derivative liability | ||||||||||
- | - | - | - | -117 | 2,238 | 1,608 | -927 | -5,595 | -30,516 | 559 |
Changes in assets and liabilities: | ||||||||||
Accounts receivables | ||||||||||
-1 | 6 | 0 | 0 | - | - | - | - | - | - | - |
Prepaid expenses and other assets | ||||||||||
-374 | -258 | -382 | -451 | 2 | 296 | 243 | - | - | - | - |
Deferred tax benefit | ||||||||||
- | - | - | - | - | - | - | -3,158 | -5,663 | 2,851 | - |
Other liabilities | ||||||||||
97 | 0 | 140 | 0 | 0 | - | - | - | - | - | - |
Prepaid expenses and other current assets | ||||||||||
- | - | - | - | - | - | - | 23 | -3 | - | - |
Prepaid expense - non-current | ||||||||||
- | - | - | - | -385 | 3,144 | 0 | 0 | - | - | - |
Accounts payable | ||||||||||
296 | 636 | -1,392 | -477 | -1,044 | - | - | - | - | - | - |
Royalty payable | ||||||||||
- | - | - | - | -6,100 | 6,100 | 0 | 0 | - | - | - |
Related party payable | ||||||||||
- | - | 0 | -11 | -70 | 81 | 0 | 0 | - | - | - |
Accounts payable and accrued liabilities | ||||||||||
- | - | - | - | - | 1,806 | -1,449 | 1,970 | 708 | -3,960 | 2,809 |
Accrued payroll and related expenses | ||||||||||
10 | -1,856 | 695 | 232 | 1,207 | 0 | 0 | - | - | - | - |
Income tax liability | ||||||||||
-396 | 3 | -3 | -4 | -8 | 13 | 395 | 0 | -6,928 | 7,358 | - |
Deferred revenue | ||||||||||
- | - | -1,500 | 1,000 | - | - | - | - | - | - | - |
Receivables and other current assets | ||||||||||
- | - | - | - | - | - | - | - | - | 39 | -140 |
Prepaid taxes | ||||||||||
- | - | - | - | - | - | -14,963 | 4,934 | 10,459 | 0 | -94 |
Deferred revenue | ||||||||||
- | - | - | - | 1,000 | 1,333 | 667 | 0 | 0 | - | - |
Net cash used in operating activities | ||||||||||
- | - | - | - | - | 1,967 | -7,284 | -19,593 | - | - | - |
Net cash provided by (used in) operating activities | ||||||||||
-15,080 | -22,298 | -14,944 | -21,922 | -26,357 | - | - | - | -18,252 | 75,881 | -6,945 |
Cash flows from investing activities: | ||||||||||
Purchase of property and equipment | ||||||||||
14 | 0 | 0 | 13 | 10 | 35 | 7 | 37 | 51 | 13 | 6 |
Purchase of investments | ||||||||||
5,784 | 3,090 | 946 | 10,527 | 10,673 | 45,500 | 92,729 | 59,342 | 34,082 | 44,441 | - |
Proceeds from sale or maturity of investments | ||||||||||
5,192 | 2,720 | 8,741 | 11,240 | 23,287 | 42,766 | 99,362 | 47,299 | 63,101 | 0 | - |
Net cash provided by investing activities | ||||||||||
- | - | - | - | - | -2,769 | 6,626 | -12,080 | - | - | - |
Purchase of investments | ||||||||||
- | - | - | - | - | - | - | - | - | - | 0 |
Proceeds from sale, maturity of investments | ||||||||||
- | - | - | - | - | - | - | - | - | - | 0 |
Net cash provided by (used in) investing activities | ||||||||||
-606 | -370 | 7,795 | 700 | 12,604 | - | - | - | 28,968 | -44,454 | -6 |
Cash flows from financing activities: | ||||||||||
Payment of royalty obligation less imputed interest | ||||||||||
- | - | - | - | - | - | - | - | - | -160 | -44 |
Payment of dividend | ||||||||||
- | - | - | - | - | - | - | - | - | 23,599 | 0 |
Proceeds from exercise of options | ||||||||||
816 | 135 | 22 | 20 | 165 | 278 | 170 | 1,691 | 1,068 | 1,341 | 0 |
Proceeds from exercise of warrants | ||||||||||
- | - | - | - | 431 | 9 | 0 | 161 | - | - | - |
Proceeds from sale of common stock | ||||||||||
10,539 | 27,052 | 3,677 | 19,196 | 3,276 | 0 | 0 | - | - | - | 8,549 |
Payments on payroll taxes on cashless exercise of RSUs | ||||||||||
145 | 43 | 42 | 93 | 51 | - | - | - | - | - | - |
Net cash provided by financing activities | ||||||||||
- | - | - | - | - | 287 | 170 | 1,852 | - | - | - |
Net increase (decrease) in cash and cash equivalents | ||||||||||
- | - | - | - | - | -515 | -488 | - | - | - | - |
Proceeds from exercise of warrants | ||||||||||
- | - | - | - | - | - | - | - | 3,063 | 23,615 | 0 |
Net cash provided by financing activities | ||||||||||
11,210 | 27,144 | 3,657 | 19,123 | 3,821 | - | - | - | 4,131 | 1,197 | 8,505 |
Net increase (decrease) in cash and cash equivalents | ||||||||||
-4,476 | 4,476 | - | - | - | - | - | - | - | - | - |
Net increase (decrease) in cash and cash equivalents | ||||||||||
- | - | -3,492 | -2,099 | -9,932 | - | - | -29,821 | 14,847 | 32,623 | 1,554 |
Cash paid for income taxes | ||||||||||
4 | 3 | 5 | 126 | 6 | 2 | 0 | 0 | 9,600 | 29,556 | 2 |
Cash paid for interest | ||||||||||
- | - | - | - | - | 0 | 0 | 0 | 0 | 10 | 6 |
Fair value of warrants issued for services | ||||||||||
- | - | - | - | 121 | 0 | - | - | - | - | - |
ASC 606 [Member] | ||||||||||
Value of deferred revenue reclassified to retained earnings in noncash transactions. | ||||||||||
0 | 2,500 | 0 | 0 | - | - | - | - | - | - | - |