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Consolidated Statements of Cash Flows - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Cash flows from operating activities:    
Net loss $ (7,089,242) $ (5,908,372)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation expense 410,314 398,744
Amortization of intangible assets 164,092 165,877
Amortization of deferred license costs 40,785 40,785
Amortization of debt issuance costs 23,726
Direct write-off of accounts receivable 1,073,531
Bad debt expense and recoveries 10,526 167,202
Interest income on notes receivable (37,397) (37,500)
Stock-based compensation 2,798,844 1,647,391
Loss on asset disposal 25,265 44,081
Loss on equity affiliates 55
Changes in operating assets and liabilities:    
Accounts receivable 553,132 (449,240)
Contract assets 5,532 1,261,220
Inventories 808,265 (495,681)
Prepaid expenses and other current assets (87,932) (61,778)
Right of use asset 691,227 473,331
Intangible asset 1,139
Accounts payable and accrued expenses (3,519,329) 3,606,889
Contract liabilities (1,000,308) (337,161)
Due to affiliates (264,450) (701,110)
Other current liability 176,340 (5,000)
Lease liability (414,674) (472,492)
Net cash used in operating activities (5,630,614) (662,759)
Cash flows used in investing activities:    
Purchase of property, plant and equipment (2,760,032) (4,824,756)
Purchase of intangible asset (67,832) (42,500)
Proceeds from sale of equipment 760 225,000
Payment for Promissory Note (100,000)
Payment on assumed liability of acquired assets (194,969)
Project development costs (426,194) (630,470)
Payment on security deposit (203,562)
Investment in non-marketable securities (500,000) (200,000)
Investment in and advances to equity affiliates (3,600,000)
Net cash used in investing activities (3,853,298) (9,471,257)
Cash flows provided by financing activities:    
Proceeds from public stock offering and other private placements, net of issuance costs 10,487,753
Proceeds from conversion of warrants to common stock 707,188
Proceeds from short-term note payable 500,000 2,000,000
Payment of note issuance costs (51,766)
Proceeds from long-term note payable 750,000
Payments on financing lease (431,865)
Distribution paid to noncontrolling interest (2,976,148) (3,745,134)
Repurchase of common stock (49,680)
Net cash (used in) provided by financing activities (2,957,693) 10,148,041
Net (decrease) increase in cash and cash equivalents (12,441,605) 14,025
Cash and cash equivalents - beginning of year 13,024,381 13,010,356
Cash and cash equivalents - end of year 582,776 13,024,381
Supplemental disclosure of cash flow information:    
Cash paid during the year for interest 271,744 562
Supplemental disclosure of non-cash operating activities:    
Initial value of lease liability $ 3,902,175