| Mar'20 | Dec'19 | Sep'19 | Jun'19 | Mar'19 | Dec'18 | Sep'18 | Jun'18 | Dec'17 |
|---|---|---|---|---|---|---|---|---|
ASSETS | ||||||||
Current assets: | ||||||||
Cash and cash equivalents | ||||||||
54,486 | 9,241 | 10,600 | 19,852 | 24,427 | 10,271 | 38,311 | 103,149 | 8,663 |
Marketable securities | ||||||||
33,896 | 52,776 | 60,478 | 58,902 | 58,855 | 79,538 | - | - | - |
Marketable securities | ||||||||
- | - | - | - | - | - | 58,664 | - | - |
Prepaid expenses and other assets | ||||||||
2,265 | 2,966 | 2,962 | 985 | 1,389 | 1,343 | 1,702 | 1,441 | 420 |
Other receivable - related party | ||||||||
- | - | - | - | 6 | - | - | - | - |
Total current assets | ||||||||
90,647 | 64,983 | 74,040 | 79,739 | 84,677 | 91,152 | 98,677 | 104,590 | 9,083 |
Property and equipment, net | ||||||||
2,375 | 2,090 | 1,822 | 1,252 | 1,013 | 255 | 114 | 112 | - |
Operating lease right-of-use asset | ||||||||
45 | 111 | 178 | 245 | 275 | - | - | - | - |
Other non-current assets | ||||||||
1,375 | 1,240 | - | - | - | - | - | - | - |
Deposits | ||||||||
- | - | 34 | 14 | 14 | 499 | 14 | 14 | - |
Total assets | ||||||||
94,442 | 68,424 | 76,074 | 81,250 | 85,979 | 91,906 | 98,805 | 104,716 | 9,083 |
LIABILITIES AND STOCKHOLDERS’ EQUITY | ||||||||
Current liabilities: | ||||||||
Accounts payable | ||||||||
1,103 | 1,185 | 1,010 | 1,467 | 1,136 | 922 | 1,067 | 1,081 | 153 |
Accrued expenses and other current liabilities | ||||||||
2,066 | 2,036 | - | - | - | - | - | - | - |
Accrued expenses | ||||||||
- | - | 3,193 | 2,684 | 1,804 | 1,517 | 1,346 | 2,008 | 449 |
Operating lease liability | ||||||||
133 | 130 | 127 | 124 | 122 | - | - | - | - |
Accounts payable and accrued expenses - related party | ||||||||
- | - | - | 6 | - | 38 | 38 | 36 | 14 |
Total current liabilities | ||||||||
3,302 | 3,351 | 4,330 | 4,281 | 3,062 | 2,477 | 2,451 | 3,125 | 616 |
Operating lease liability | ||||||||
23 | 58 | 91 | 124 | 156 | - | - | - | - |
Long-term debt, net | ||||||||
34,434 | - | - | - | - | - | - | - | - |
Other liabilities | ||||||||
75 | - | - | - | - | - | - | - | - |
Total liabilities | ||||||||
37,834 | 3,409 | 4,421 | 4,405 | 3,218 | 2,477 | 2,451 | 3,125 | 616 |
Commitments and Contingencies | ||||||||
- | - | - | - | - | - | 0 | 0 | - |
Convertible preferred stock | ||||||||
- | - | - | - | - | - | - | - | 15,508 |
Stockholders’ equity: | ||||||||
Preferred stock, $0.0001 par value; 10,000,000 shares authorized; no shares issued and outstanding as of March 31, 2020 and December 31, 2019 | ||||||||
- | - | - | - | - | - | 0 | 0 | - |
Common stock, $0.0001 par value; 200,000,000 authorized; 25,919,637 shares issued and 25,814,493 shares outstanding as of March 31, 2020 and 25,912,137 shares issued and 25,786,330 shares outstanding as of December 31, 2019 | ||||||||
3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | - |
Treasury stock, at cost, 105,144 shares as of March 31, 2020 and December 31, 2019 | ||||||||
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Additional paid-in capital | ||||||||
127,599 | 126,594 | 125,178 | 124,269 | 123,211 | 122,526 | 123,365 | - | 5,394 |
Subscription receivable | ||||||||
- | 410 | - | - | - | - | - | - | - |
Additional paid-in capital | ||||||||
- | - | - | - | - | - | - | 121,856 | - |
Accumulated deficit | ||||||||
-71,014 | -61,192 | -53,555 | -47,465 | -40,464 | -33,083 | -27,007 | -20,268 | -12,435 |
Accumulated other comprehensive gain | ||||||||
20 | 20 | 27 | 38 | 11 | -17 | -7 | - | - |
Total stockholders’ equity | ||||||||
56,608 | 65,015 | 71,653 | 76,845 | 82,761 | 89,429 | 96,354 | 101,591 | -7,041 |
Total liabilities and stockholders’ equity | ||||||||
94,442 | 68,424 | 76,074 | 81,250 | 85,979 | 91,906 | 98,805 | 104,716 | 9,083 |
Series A Convertible Preferred Stock [Member] | ||||||||
Convertible preferred stock | ||||||||
- | - | - | - | - | - | - | - | 10,508 |
Series B Convertible Preferred Stock [Member] | ||||||||
Convertible preferred stock | ||||||||
- | - | - | - | - | - | - | - | 5,000 |