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CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Current assets: |  |
Cash and cash equivalents | $ 5,337 | $ 2,319
Restricted cash and cash equivalents | 114 | 10,431
Prepaid expenses and other current assets | 387 | 337
Total current assets | 5,838 | 13,087
In-process research and development | 8,500 | 17,600
Goodwill | 1,914 | 1,914
Deposits and other assets | 663 | 925
Total assets | 16,915 | 33,526
Current liabilities: |  |
Current portion of long-term debt | 0 | 8,377
Accounts payable | 3,755 | 11,691
Accrued expenses and other current liabilities | 2,219 | 3,201
Litigation settlement payable | 0 | 1,300
Total current liabilities | 5,974 | 24,569
Deferred tax liability | 357 | 1,673
Warrant liability | 1,013 | 1,309
Contingent consideration | 4,326 | 1,294
Long-term debt, net of current portion | 0 | 2,611
Total liabilities | 11,670 | 31,456
Commitments and contingencies (Note 10) |  |
Stockholders’ equity: |  |
Preferred stock, $0.0001 par value; 5,000,000 shares authorized; Series A convertible preferred stock, 17,500 shares designated; no shares issued and outstanding at December 31, 2018 and December 31, 2017 | 0 | 0
Common stock, $0.0001 par value; 350,000,000 shares authorized, 22,026,476 shares issued and outstanding at December 31, 2018; 5,766,891 shares issued and outstanding at December 31, 2017 | 2 | 1
Additional paid-in capital | 87,098 | 56,254
Accumulated deficit | (81,855) | (54,185)
Total stockholders’ equity | 5,245 | 2,070
Total liabilities and stockholders’ equity | $ 16,915 | $ 33,526

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