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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Cash flows from operating activities:    
Net loss $ (800,734) $ (15,147,953)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 5,186,486 4,984,084
Bad debt expense 74,953  
Inventory and sample inventory reserve (90,844) 447,761
Non-cash paid-in-kind interest   1,192,896
Amortization of deferred financing costs and debt discount 12,500 25,000
Accretion for end of term fee   116,196
Deferred tax benefit   (196,818)
Lease expense 76,838 68,538
Derivative liability (9,640,000)  
Deferred revenue 70,343  
Employee stock-based compensation 990,876  
Non-employee stock-based compensation 187,802  
Changes in operating assets and liabilities:    
Accounts receivable 3,125,595 (1,548,687)
Inventories 361,282 565,486
Deposits 4,576 2,326
Prepaid expenses and other current assets 75,289 847,593
Accounts payable (297,212) 4,526,000
Accrued expenses (3,089,672) (6,464,247)
Accrued inventory purchases   (250,000)
Other current liabilities 357,361 167,794
Long-term liabilities (163,171) (118,399)
Net cash used in operating activities (3,557,732) (10,782,430)
Cash flows from investing activities:    
Acquisition of fixed assets   (4,633)
Net cash used in investing activities   (4,633)
Cash flows from financing activities:    
Payment of senior debt (4,912,541) (4,639,674)
Payment of portion of senior debt end of term fee (534,237)  
Proceeds from subordinated related party term loans   14,000,000
Debt issuance costs   (50,000)
Net cash (used in) provided by financing activities (5,446,778) 9,310,326
Net decrease in cash (9,004,510) (1,476,737)
Cash, beginning of period 17,139,694 2,145,812
Cash, end of period 8,135,184 669,075
Supplemental cash flow information:    
Cash paid for interest during the period $ 393,577 953,171
Noncash Items:    
Accrued Merger Transaction Costs   $ 521,395