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CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Current assets: |  |
Cash and cash equivalents | $ 52,071 | $ 3,891
Research and development incentive receivable | 73 | 185
Prepaid expenses and other current assets | 130 | 165
Total current assets | 52,274 | 4,241
Property and equipment, net | 65 | 124
Right of use asset, net | 528 | 1,026
Deferred tax assets | 179 | 127
Deferred costs | 345 | 831
Deposits | 980 | 1,099
Total assets | 54,371 | 7,448
Current liabilities: |  |
Accounts payable | 2,717 | 4,571
Accrued expenses | 2,747 | 3,441
Deferred revenue - current portion | 1,500 |
Lease liability - current portion | 408 | 474
Total current liabilities | 7,372 | 8,486
Non current liabilities: |  |
Restricted stock liability | 204 | 159
Lease liability, net of current portion | 144 | 552
Total liabilities | 7,720 | 9,197
Stockholders' equity (deficiency): |  |
Common stock, $0.001 par value; 240,000,000 shares authorized; 59,657,742 and 24,194,877 shares issued and outstanding as of December 31, 2020 and 2019, respectively | 60 | 24
Additional paid-in capital | 270,155 | 193,319
Accumulated other comprehensive income (loss) | (579) | 76
Accumulated deficit | (222,985) | (195,168)
Total stockholders' equity (deficiency) | 46,651 | (1,749)
Total liabilities and stockholders' equity (deficiency) | $ 54,371 | $ 7,448

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