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BALANCE SHEETS - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Current Assets: |  |
Cash and cash equivalents | $ 61,413 | $ 16,469
Short-term investments (certificates of deposit) | 0 | 17,604
Other receivables - related party | 19 | 0
Prepaid expenses and other current assets | 1,631 | 1,052
Total current assets | 63,063 | 35,125
Property, plant and equipment, net | 6,779 | 6,465
Fixed assets - construction in process | 1,157 | 393
Restricted cash | 1,000 | 500
Other assets | 250 | 271
Operating lease right-of-use asset, net | 1,196 | 0
Total Assets | 73,445 | 42,754
Current Liabilities: |  |
Short-term notes payable | 1,250 | 0
Accounts payable and accrued expenses | 5,668 | 5,381
Payables and accrued expenses - related party | 596 | 236
Operating lease liabilities - short-term | 257 | 0
Total current liabilities | 7,771 | 5,617
Deferred rent payable | 0 | 741
Notes Payable | 12,179 | 0
Operating lease liabilities - long-term | 1,843 | 0
Total Liabilities | 21,793 | 6,358
Commitments and Contingencies |  |
Stockholders' Equity |  |
Preferred stock ($0.0001 par value), 2,000,000 shares authorized, 250,000 shares of Class A preferred stock issued and outstanding as of December 31, 2019 and 2018, respectively | 0 | 0
Common Stock, Value, Issued | 4 | 3
Common stock issuable, 1,206,667 and 709,314 shares as of December 31, 2019 and 2018, respectively | 4,923 | 2,085
Additional paid-in capital | 172,184 | 113,378
Accumulated deficit | (125,459) | (79,070)
Total Stockholders' Equity | 51,652 | 36,396
Total Liabilities and Stockholders' Equity | 73,445 | 42,754
Class A Common Shares |  |
Stockholders' Equity |  |
Common Stock, Value, Issued | 0 | 0
Total Stockholders' Equity | $ 0 | $ 0

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