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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
 3 Months Ended 6 Months Ended 12 Months Ended
Jul. 01, 2023
Apr. 01, 2023
Jun. 29, 2024
Jul. 01, 2023
Dec. 30, 2023
Cash flows from operating activities:          
Net loss $ (8,180,379) $ (2,628,555) $ (38,470,213) $ (10,808,934)  
Adjustments to reconcile net loss to net cash used in operating activities:          
Depreciation and amortization     332,155 387,779  
Stock-based compensation     1,411,346 1,385,449  
Income taxes     78,210  
Foreign currency losses     38,633 51,950  
Provision for credit losses     790,950  
Noncash provision for excess inventory     1,023,709 292,405  
Investment impairment     734,243 2,887,893  
Changes in other non-cash items     513,556 198,194  
Changes in assets and liabilities:          
Accounts receivable     2,994,914 (1,565,340)  
Contract assets and unbilled receivables     (3,353,456) (96,923)  
Inventory     912,158 (1,685,961)  
Prepaid expenses, other current assets and other assets     (857,448) (929,086)  
Accounts payable and accrued expenses     4,474,548 1,396,840  
Contract liabilities and billings in excess of revenue earned     (738,047) (375,499)  
Accrued litigation damages     24,800,000  
Net cash used in operating activities     (6,183,902) (7,992,073) $ (15,300,000)
Cash flows from investing activities:          
Capital expenditures     (310,600) (350,631)  
Purchases of marketable debt securities     (1,119,012) (17,624,779)  
Proceeds from sale of marketable debt securities     5,250,066 6,466,917  
Other assets     (483)  
Net cash provided by (used in) investing activities     3,820,454 (11,508,976)  
Cash flows from financing activities:          
Issuance of common stock, net of costs     7,242,581  
Issuance of common stock and pre-funded warrants, net of costs     21,335,000  
Net cash provided by financing activities     7,242,581 21,335,000  
Effect of exchange rate changes on cash     3,029 13,839  
Net increase in cash, cash equivalents and restricted cash     4,882,162 1,847,790  
Cash, cash equivalents and restricted cash:          
Beginning of period   $ 8,258,878 6,210,685 8,258,878 8,258,878
End of period $ 10,106,668   $ 11,092,847 $ 10,106,668 $ 6,210,685