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v3.10.0.1

Consolidated Statements of Cash Flows - USD ($) | 3 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES: |  |
Net income (loss) | $ 12,037,253 | $ (13,198,878)
Change in value of derivatives |  | (450,739)
Stock-based compensation | 2,717,534 | 2,092,541
Depreciation and amortization | 1,177,352 | 1,141,173
Amortization/(accretion) of note premiums | (156,637) | 107,783
Changes in operating assets and liabilities: |  |
Accounts receivable | (2,841,204) | (82,134)
Prepaid expenses and Other Current Assets | (120,912) | (29,223)
Deferred revenue | 158,096,440 | (3,394,740)
Accounts payable | 1,130,491 | 1,630,533
Accrued expenses | (3,489,712) | (2,550,703)
Other | (265,842) | 43,907
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES | 168,284,763 | (14,690,480)
CASH FLOWS FROM INVESTING ACTIVITIES: |  |
Purchases of property and equipment | (737,487) | (135,414)
Purchases of marketable securities | (69,271,001) | (5,018,040)
Proceeds from sale of marketable securities | 2,252,219 | 6,510,420
NET CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES | (67,756,269) | 1,356,966
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Principal payments on notes payable | (2,415,149) | (197,790)
Proceeds from the exercises of warrants and stock options | 1,004,694 | 224,082
Proceeds from the issuance of common stock | 60,521,729 |
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES | 59,111,274 | 26,292
NET INCREASE (DECREASE) IN CASH | 159,639,768 | (13,307,222)
CASH AT BEGINNING OF PERIOD | 30,133,213 | 24,838,567
CASH AT END OF PERIOD | 189,772,981 | 11,531,345
Supplementary disclosures: |  |
Interest Paid | $ (27,437) | $ (44,722)

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