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Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands | Sep. 30, 2016 | Dec. 31, 2015
--- | --- | ---
Current assets: |  |
Cash and cash equivalents | $ 50,286 | $ 58,022
Marketable securities | 198,052 | 280,903
Prepaid expenses and other current assets | 4,860 | 5,930
Trade receivables, net | 27,409 | 11,094
Total current assets | 280,607 | 355,949
Fixed assets, net | 7,059 | 8,974
Deposits and other assets | 511 | 358
Total assets | 288,177 | 365,281
Current liabilities: |  |
Accounts payable and accrued expenses | 47,759 | 45,247
Deferred revenue | 910 | 139
Other current liabilities | 257 | 0
Total current liabilities | 48,926 | 45,386
Long-term debt | 96,559 | 91,848
Other long-term liabilities | 2,515 | 2,046
Total liabilities | 148,000 | 139,280
Stockholders’ equity: |  |
Common stock, $0.001 par value. Authorized 125,000,000 shares; issued and outstanding 34,165,519 shares at September 30, 2016. Authorized 125,000,000 shares; issued and outstanding 33,916,559 shares at December 31, 2015 | 34 | 34
Additional paid-in capital | 847,700 | 820,165
Accumulated other comprehensive income (loss) | 756 | (1,200)
Accumulated deficit | (708,313) | (592,998)
Total stockholders’ equity | 140,177 | 226,001
Total liabilities and stockholders’ equity | $ 288,177 | $ 365,281

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