Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:          
Net loss $ (15,202,715) $ (4,331,239) $ (30,776,173) $ (14,956,043)  
Adjustments to reconcile net loss to net cash used in operating activities:          
Depreciation and amortization 836,071 117,308 1,231,265 351,702  
Loss on disposal of fixed assets     4,155 0  
Stock-based compensation 505,730 262,963 1,052,970 996,088  
Amortization of debt discount     555,568 482,878  
Amortization of license revenue     (107,125) (107,125)  
Changes in operating assets and liabilities, net of acquisition:          
Accounts receivable     (481,782) (403,063)  
Inventories     (201,472) (1,171,961)  
Prepaid expenses     (969,042) (370,631)  
Other assets     (723,530) 0  
Accounts payable     5,228,096 689,366  
Accrued expenses     1,277,700 (143,586)  
Other current liabilities     (3,775) (22,920)  
Net cash used in operating activities     (23,913,145) (14,655,295)  
CASH FLOWS FROM INVESTING ACTIVITIES:          
Sales of short-term investments     5,390,184 0  
Purchase of short-term investments     0 (4,658,514)  
Purchase of property and equipment     (666,457) (63,386)  
Cash acquired in acquisition transaction     12,500,000 0  
Net cash provided by (used in) investing activities     17,223,727 (4,721,900)  
CASH FLOWS FROM FINANCING ACTIVITIES:          
Principal payments on note payable     (4,444,444) 0 $ 0
Proceeds from issuance of common stock, net of offering expenses     0 12,900,541  
Proceeds from the exercise of stock options     7,504 0  
Proceeds from issuance of related party note payable     15,000,000 0 0
Proceeds from issuance of note payable     0 4,000,000  
Payment of debt issuance costs     (174,839) (47,104)  
Payments of leasehold improvement loan     (12,279) (11,226)  
Net cash provided by financing activities     10,375,942 16,842,211  
Net increase (decrease) in cash and cash equivalents     3,686,524 (2,534,984)  
Cash and cash equivalents - beginning of period     9,914,867 10,440,959 10,440,959
Cash and cash equivalents - end of period $ 13,601,391 $ 7,905,975 $ 13,601,391 $ 7,905,975 $ 9,914,867