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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Cash flows from operating activities    
Net loss $ (26,748,113) $ (27,993,848)
Adjustments to reconcile net loss to net cash used in operating activities    
Depreciation and amortization 1,307,590 2,107,323
Non-cash interest expense 1,973,437 2,967,775
Loss on disposal of equipment 15,988
Change in inventory reserve 1,447,626
Stock compensation expense 727,389 668,374
Gain on extinguishment of debt (259,353)
Inducement expense related to warrant reprice 7,755,541
Change in fair value of derivative liabilities (54,623) 122,572
Impairment of right-of-use asset 170,714
Goodwill impairment charge 6,975,520
Changes in operating assets and liabilities    
Accounts receivable 386,704 (118,755)
Inventory (600,186) (1,891,760)
Other assets (326,820) (353,371)
Accounts payable (519,625) (667,480)
Accrued compensation and other liabilities (1,250,476) (188,322)
Deferred revenue 210,735 (9,808)
Net cash used in operating activities (16,454,854) (17,690,398)
Cash flows from investing activities    
Purchases of property and equipment (186,556) (1,824,765)
Net cash used in investing activities (186,556) (1,824,765)
Cash flows from financing activities    
Proceeds from issuance of common stock warrants 255,751
Proceeds from issuance of common stock and pre-funded warrants in registered offering, net of selling costs 23,473,962
Proceeds from the exercise of common stock warrants, net of issuance costs 9,094,172
Payment of deferred offering costs (108,794)
Proceeds from at the market offering, net of issuance costs 989,704
Payments on debt (8,697,587) (441,076)
Payments on finance lease obligations (38,925) (236,563)
Net cash (used in) provided by financing activities (7,746,808) 32,037,452
Effects of exchange rates on cash (1,548,819) (727,477)
Net (decrease) increase in cash and cash equivalents and restricted cash (25,937,037) 11,794,812
Cash and cash equivalents and restricted cash at beginning of period 36,632,186 14,107,255
Cash and cash equivalents and restricted cash at end of period 10,695,149 25,902,067
Supplemental disclosure of cash flow information    
Cash paid for interest 976,324 886,796
Supplemental disclosures of non-cash investing and financing activities    
Right-of-use assets acquired through operating leases 748,294
Inventory transferred to property and equipment 559,230
Property and equipment transferred to inventory $ 152,243