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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Cash Flows From Operating Activities    
Net (loss) income $ (1,191,317) $ 131,949
Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities:    
Stock based compensation 224,832
Depreciation and amortization 80,092 46,523
Loss on disposal of asset 18,408 5,101
Change of right-of-use asset and lease liabilities 93,106 96,520
Net change in fair value of marketable securities 85,538
Changes in operating assets and liabilities:    
Accounts receivable 118 (85,558)
Inventories (1,413,413) (315,131)
Prepaid expenses and other current assets 83,888 (1,450)
Accounts payable 768,632 129,920
Accrued liabilities 203,224 71,324
Operating lease liabilities (88,881) (88,847)
Contract liabilities (13,900) 199,547
Net cash (used in) provided by operating activities (1,149,673) 189,898
Cash Flows From Investing Activities    
Net purchases of investment in trading marketable securities 516
Proceeds from sale of property and equipment 80,000
Purchase of property and equipment (728,371) (443,250)
Net cash used in investing activities (647,855) (443,250)
Cash Flows From Financing Activities    
Deferred offering cost (116,394) (131,000)
Proceeds from Paycheck Protection Program loan 608,224
Advances from related parties 0 24,300
Repayment to related parties (43,658)
Net cash (used in) provided by financing activities (116,394) 457,866
Net change in cash and cash equivalents (1,913,922) 204,514
Cash at beginning of period 6,975,302 891,816
Cash and cash equivalents at end of period 5,061,380 1,096,330
Supplemental Cash Flow Information    
Cash paid for income taxes
Cash paid for interest 38,647 79,129
Non Cash Investing and Financing Activities    
Increase in the right-of-use asset and lease liability $ 655,726

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