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STATEMENTS OF CASH FLOWS - USD ($)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Cash flows from operating activities    
Net loss $ (14,139,402) $ (5,330,504)
Adjustments to reconcile net loss to net cash from operating activities:    
Depreciation 142,819 131,333
Amortization 141,482 5,270
Loss on disposal of equipment   2,325
Stock-based compensation 10,796 1,010,003
Provision for inventory obsolescence 18,706 102,604
Provision for doubtful accounts 64,168 0
Impairment of goodwill 6,486,000 0
Impairment of long-lived intangible assets 1,540,000 0
Deferred taxes (7,534) 0
Loss on sale of investment securities available-for-sale 182,310 0
Noncash lease costs 263,562
Changes in operating assets and liabilities:    
Accounts receivable (57,012) 65,535
Inventory 346,241 (1,500,686)
Prepaid expenses and other current assets 793,429 (55,465)
Operating lease liability (184,560) 90,054
Deposits 6,750 (391,149)
Accounts payable 77,155 284,681
Payroll liabilities 574,297 289,308
Accrued expenses 138,820 153,306
Net cash from operating activities (3,601,973) (5,143,385)
Cash flows from investing activities    
Purchase of property, plant, and equipment (701,886) (122,588)
Proceeds from sale of property, equipment, and software 0 700
Purchase of software 0 (78,200)
Proceeds from sale of investment securities available-for-sale 8,513,783 0
Net cash from investing activities 7,811,897 (200,088)
Cash flows from financing activities    
Common stock issuance costs 0 (82,043)
Withholding tax payments for share based compensation 0 (188,793)
Stock options exercised 14,248 151,646
Net cash from financing activities 14,248 (119,190)
Net change in cash and cash equivalents 4,224,172 (5,462,663)
Cash and cash equivalents, beginning of period 23,049,234 57,208,080
Cash and cash equivalents, end of period 27,273,406 51,745,417
Supplemental disclosures of cash flow information    
Right-of-use assets obtained in exchange for operating lease liabilities 7,616,513
Supplemental disclosures of non-cash information    
Unrealized gain (loss) on available-for-sale securities 0 (20,290)
Amounts reclassified from accumulated other comprehensive loss 61,016
Purchases of equipment included in deposits at the beginning of the period 372,507 0
Property and equipment held-and-used reclassified to held-for-sale $ 947,394