XML 31 R7.htm IDEA: XBRL DOCUMENT v3.25.1
Consolidated Statements of Cash Flows - USD ($)
12 Months Ended
Dec. 28, 2024
Dec. 30, 2023
Dec. 31, 2022
Cash flows from operating activities:      
Net loss $ (43,877,896) $ (19,748,219) $ (19,326,265)
Adjustments to reconcile net loss to net cash used in operating activities:      
Depreciation and amortization 636,580 608,222 722,024
Accretion of discount on marketable securities 128
Stock-based compensation 3,334,671 3,875,273 1,267,705
Net loss (gain) on remeasurement of investments 1,612,105 2,887,893 (2,700,000)
Income taxes 170,642 143,345
Foreign currency losses (207,926) 91,791 449,443
Loss on sale of property and equipment 59,151 46,231 317,032
Provision for credit losses 105,842 709,721 162,638
Noncash provision for excess inventory 2,378,675 1,143,622 2,078,750
Accrued litigation damages 24,800,000
Changes in other non-cash items 396,451 193,708 2,329,000
Changes in assets and liabilities:      
Accounts receivable (1,578,548) (5,271,763) 6,806,578
Contract assets (3,917,280) 821,094 (1,835,518)
Inventory (922,589) (2,255,352) (2,010,749)
Prepaid expenses, other current assets and other assets 53,610 (202,504) 908,156
Accounts payable and accrued expenses 3,574,948 1,836,038 (3,859,768)
Contract liabilities and billings in excess of revenue earned (845,041) 3,568 (3,139,749)
Net cash used in operating activities (14,226,605) (15,260,677) (17,687,250)
Cash flows from investing activities:      
Proceeds from sale of marketable securities 9,713,366 10,374,593 2,000,024
Purchase of equity investments (499,998)
Other assets (45) 62,694 20,909
Capital expenditures (815,299) (949,487) (832,712)
Purchases of marketable securities (19,186,857) (17,624,779) (4,000,042)
Net cash used in investing activities (10,288,835) (8,136,979) (3,311,819)
Cash flows from financing activities:      
(Purchase) sale of treasury stock, net of costs 461,723
Issuance of common stock and pre-funded warrants, net of costs 33,782,712 21,335,000 2,397,618
Settlements of restricted stock for tax withholding obligations (266,885) (198,740)
Net cash provided by financing activities 33,515,827 21,335,000 2,660,601
Effect of exchange rate changes on cash (952) 14,463 (190,585)
Net increase (decrease) in cash, cash equivalents and restricted cash 8,999,435 (2,048,193) (18,529,053)
Cash and cash equivalents at beginning of year 6,210,685 8,258,878 26,787,931
Cash, cash equivalents and restricted cash at end of year 15,210,120 6,210,685 8,258,878
Supplemental disclosure of cash flow information:      
Construction in progress included in accrued expenses 17,000 200,000 168,000
Right-of-use asset obtained in exchange for lease liability $ 217,046