v3.26.1
Condensed Statements of Cash Flows (Unaudited) - USD ($)
6 Months Ended
Jun. 27, 2026
Jun. 28, 2025
Cash flows from operating activities:    
Net income (loss) $ (256,432) $ 199,795
Adjustments to reconcile net income (loss) to cash used in operating activities:    
Depreciation and amortization 307,648 321,189
Share-based compensation 223,094 171,540
Realized gain on sale of marketable securities (32,462) (12,183)
Deferred taxes (232,812) 135,828
Changes in:    
Inventories (3,051,030) (867,180)
Prepaid expenses and other current assets 1,049 217,350
Accounts payable 133,299 232,511
Accrued expenses (406,474) 123,184
Deferred revenue 249,196 (142,045)
Net cash (used in) operating activities (2,522,233) (603,467)
Cash flows from investing activities:    
Purchases of property and equipment (634,036) (265,918)
Acquisition cost of patents and trademarks (2,144) (21,363)
Proceeds from sale of marketable securities 8,310,000 518,000
Purchases of marketable securities (3,320,131) (525,772)
Net cash used in investing activities 4,353,689 (295,053)
Cash flows from financing activities:    
Proceeds from employee stock options 59,910 0
Share Issue 8,997,000 0
Payments on note payable 0 (8,130)
Net cash used in financing activities 9,056,910 (8,130)
Net increase (decrease) in cash and cash equivalents 10,888,366 (906,650)
Cash and cash equivalents at beginning of period 4,466,198 3,280,687
Cash and cash equivalents at end of period 15,354,564 2,374,037
Supplemental disclosures of cash flows information:    
Cash paid for interest 0 26
Net exercise of stock options 562,667  
Trade Accounts Receivable [Member]    
Changes in:    
Accounts receivables 303,081 (744,495)
Other Receivables [Member]    
Changes in:    
Accounts receivables $ 239,610 $ (238,961)