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CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Current assets |  |
Cash and cash equivalents | $ 7,444,052 | $ 1,628,136
Prepaid expenses and other current assets | 1,322,167 | 313,499
Asset held for sale | 7,000,000 |
Total current assets | 15,766,219 | 1,941,635
Property and equipment, net | 222,464 | 245,788
Restricted cash | 151,016 | 150,477
Other assets | 667,747 | 116,333
Total assets | 16,807,446 | 2,454,233
Current liabilities |  |
Accounts payable | 1,895,613 | 3,277,525
Accrued expenses | 2,270,045 | 1,402,750
Short-term debt, net |  | 7,483,847
Derivative liabilities |  | 1,741,222
Operating lease obligation | 172,310 |
Other current liabilities | 205,991 | 204,242
Total current liabilities | 4,543,959 | 14,109,586
Non-current liabilities |  |
Operating lease obligation, less current portion | 163,198 |
Long term debt, net | 1,072,123 | 1,016,727
Other non-current liabilities | 9,755 | 37,459
Total non-current liabilities | 1,245,076 | 1,054,186
Total liabilities | 5,789,035 | 15,163,772
Commitments and contingencies (Note 9) |  |
Stockholders’ equity (deficit) |  |
Convertible preferred stock, $0.01 par value, 10,000,000 shares authorized, seven and zero issued and outstanding, respectively | 0 | 0
Common stock, $0.01 par value, 200,000,000 authorized, 52,746,728 and 4,960,552 shares issued, respectively; 52,625,228 and 4,960,552 shares outstanding, respectively | 527,467 | 49,606
Treasury Stock, at cost 121,500 and zero shares, respectively | (47,864) |
Accumulated other comprehensive income |  | 451
Additional paid-in capital | 62,018,632 | 18,477,598
Accumulated deficit | (51,479,824) | (31,237,194)
Total stockholders’ equity (deficit) | 11,018,411 | (12,709,539)
Total liabilities and stockholders’ equity (deficit) | $ 16,807,446 | $ 2,454,233
Convertible preferred stock, par value (in USD per share) | $ 0.01 | $ 0.01
Convertible preferred stock, shares authorized (in shares) | 10,000,000 | 10,000,000
Convertible preferred stock, shares issued (in shares) | 7 | 0
Convertible preferred stock, shares outstanding (in shares) | 7 | 0
Common stock, shares authorized (in shares) | 200,000,000 | 200,000,000
Common stock, par value (in USD per share) | $ 0.01 | $ 0.01
Common stock, shares issued (in shares) | 52,746,728 | 4,960,552
Common stock, shares outstanding (in shares) | 52,625,228 | 4,960,552
Treasury stock, common, shares (in shares) | 121,500 | 0

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