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Consolidated Statements of Cash Flows - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Cash flows from operating activities    
Net loss $ (34,805,712) $ (26,210,844)
Adjustments to reconcile net loss to net cash used in operating activities    
Depreciation and amortization 2,713,907 2,334,739
Noncash interest expense 3,988,755 2,632,241
Noncash interest income (87,233)
Stock compensation expense 878,575 316,086
Gain on sale of equipment (100,000)
Gain on extinguishment of debt (259,353) (884,970)
Warrant inducement expense 7,755,541
Change in fair value of derivative financial instruments 129,731 (517,680)
Impairment of right-of-use asset 170,714 101,838
Impairment of intangible assets 750,596
Changes in operating assets and liabilities, net of acquisition    
Accounts receivable (575,123) 438,284
Inventory (2,336,714) (410,341)
Other assets 739,429 1,152,200
Accounts payable (471,824) (481,453)
Accrued compensation and other liabilities 602,605 (1,559,881)
Deferred revenue (9,808) (870,114)
Net cash used in operating activities (21,479,277) (23,396,532)
Cash flows from investing activities    
Acquisition of business net of cash acquired 1,266,849
Note receivable (2,200,000)
Purchases of property and equipment (1,983,614) (130,354)
Net cash used in investing activities (1,983,614) (1,063,505)
Cash flows from financing activities    
Proceeds from issuance of common stock, net of issuance costs 1,483,833 15,821,922
Proceeds from issuance of common stock warrants 255,751
Proceeds from issuance of common stock and pre-funded warrants in private placement, net of selling costs 9,289,129
Proceeds from issuance of common stock and pre-funded warrants in registered direct offering, net of selling costs 23,473,962
Proceeds from the exercise of common warrants 9,094,172 8,682,000
Proceeds from issuance of preferred stock and warrants, net of issuance costs 13,851,259
Proceeds from debt, net of issuance costs 1,871,308
Payments on debt (441,076) (998,182)
Payments on finance lease obligations (266,470) (579,029)
Net cash provided by financing activities 47,451,431 34,087,148
Effects of exchange rates on cash (1,463,609) 1,586,541
Net increase in cash, cash equivalents and restricted cash 22,524,931 11,213,652
Cash and cash equivalents and restricted cash at beginning of year 14,107,255 2,893,603
Cash and cash equivalents and restricted cash at end of year 36,632,186 14,107,255
Supplemental disclosure of cash flow information    
Cash paid for interest 895,200 952,050
Supplemental disclosures of noncash investing and financing activities    
Right-of-use assets acquired through operating leases 615,761 1,008,039
Deemed dividend - beneficial conversion option on preferred stock 7,166,752
Inventory transferred to property and equipment 530,638
Shares issued in business combination 4,847,417
Shares issued to settle convertible notes 1,450,797
Note receivable from sale of equipment included in other assets $ 100,000