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v3.23.2

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) | 6 Months Ended
--- | ---
Jul. 01, 2023 | Jun. 25, 2022
Cash flows from operating activities: |  |
Net loss | $ (10,808,934) | $ (7,019,853)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 387,779 | 535,253
Accretion of premium or discount on marketable debt securities |  | 128
Stock-based compensation | 1,385,449 | 1,073,106
Foreign currency losses | 51,950 | 124,741
Change in allowance for credit losses | 790,950 | (5,576)
Write-off of excess inventory | 292,405 | 1,454,688
Investment impairment (unrealized gains on investments) | 2,887,893 | (4,700,000)
Loss on sale of property and plant |  | 202,670
Income taxes | 78,210 | 71,672
Changes in other non-cash items | 198,194 | 453,072
Changes in assets and liabilities: |  |
Accounts receivable | (1,565,340) | 6,106,734
Contract assets and unbilled receivables | (96,923) | (3,126,437)
Inventory | (1,685,961) | (1,892,935)
Prepaid expenses, other current assets and other assets | (929,086) | (393,939)
Accounts payable and accrued expenses | 1,396,840 | (3,296,577)
Contract liabilities and billings in excess of revenue earned | (375,499) | (1,023,859)
Net cash used in operating activities | (7,992,073) | (11,437,112)
Cash flows from investing activities: |  |
Other assets | (483) | 4,337
Capital expenditures | (350,631) | (604,944)
Equity investment purchase |  | (499,998)
Proceeds from sale of marketable debt securities | 6,466,917 | 1,000,000
Purchases of marketable debt securities | (17,624,779) | (3,500,030)
Net cash used in investing activities | (11,508,976) | (3,600,635)
Cash flows from financing activities: |  |
Sale of treasury stock, net of costs |  | 461,723
Issuance of common stock and pre-funded warrants, net of costs | 21,335,000 | 1,565,382
Settlements of restricted stock for tax withholding obligations |  | (95,613)
Net cash provided by financing activities | 21,335,000 | 1,931,492
Effect of exchange rate changes on cash | 13,839 | (51,457)
Net increase (decrease) in cash and cash equivalents | 1,847,790 | (13,157,712)
Cash and cash equivalents: |  |
Beginning of period | 8,258,878 | 26,787,931
End of period | $ 10,106,668 | $ 13,630,219

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