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v3.23.1

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) | 3 Months Ended
--- | ---
Apr. 01, 2023 | Mar. 26, 2022
Cash flows from operating activities: |  |
Net loss | $ (2,628,555) | $ (1,372,664)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 224,574 | 267,590
Accretion of premium or discount on marketable debt securities |  | 128
Stock-based compensation | 194,190 | 656,073
Loss on sale of property and plant |  | 202,671
Gain on investment transactions |  | (4,700,000)
Income taxes | 39,105 | 35,836
Foreign currency gains | (118,697) | (16,351)
Change in allowance for credit losses | 495,000 | (26,281)
Write-off of excess inventory | 292,405 | 588,175
Changes in other non-cash items | 200,000 | 453,262
Changes in assets and liabilities: |  |
Accounts receivable | (420,919) | 5,777,308
Contract assets and unbilled receivables | 934,759 | (252,809)
Inventory | (665,589) | (1,156,461)
Prepaid expenses, other current assets and other assets | (525,705) | (314,361)
Accounts payable and accrued expenses | (1,983,304) | (107,657)
Contract liabilities and billings in excess of revenue earned | (211,815) | (2,317,122)
Net cash used in operating activities | (4,174,551) | (2,282,663)
Cash flows from investing activities: |  |
Capital expenditures | (216,618) | (524,368)
Purchases of marketable debt securities | (17,624,779) | (3,000,030)
Proceeds from sale of marketable debt securities | 1,000,000 | 1,000,000
Other assets | 1,000 |
Net cash used in investing activities | (16,840,397) | (2,524,398)
Cash flows from financing activities: |  |
Issuance of common stock and pre-funded warrants, net of costs | 21,335,000 |
Settlements of restricted stock for tax withholding obligations |  | (95,613)
Net cash provided by (used in) financing activities | 21,335,000 | (95,613)
Effect of exchange rate changes on cash | 4,216 | (17,765)
Net increase (decrease) in cash and cash equivalents | 324,268 | (4,920,439)
Cash and cash equivalents: |  |
Beginning of period | 8,258,878 | 26,787,931
End of period | $ 8,583,146 | $ 21,867,492

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