v3.25.4
Statements of Cash Flows - USD ($)
12 Months Ended
Dec. 27, 2025
Dec. 28, 2024
Cash flows from operating activities:    
Net income (loss) $ 420,354 $ (3,135,449)
Adjustments to reconcile net income (loss) to cash provided by (used in) operating activities:    
Share-based compensation 273,028 310,094
Depreciation and amortization 601,191 547,152
Realized gain on sale of marketable securities (15,361) 0
Deferred taxes 261,828 (958,956)
Changes in operating assets and liabilities:    
Inventories, net (1,267,341) 250,864
Prepaid expenses and other current assets 181,157 (204,637)
Accounts payable 309,521 518,626
Accrued expenses (5,369) (161,858)
Deferred revenue 65,615 (79,327)
Net cash provided (used) by operating activities 243,644 (3,476,421)
Cash flows from investing activities:    
Purchases of property and equipment (730,662) (994,261)
Acquisition cost of patents and trademarks (26,113) 0
Sale of marketable securities 1,300,000 0
Purchase of marketable securities (9,038,362) (1,015,501)
Net cash used by investing activities (8,495,137) (2,009,761)
Cash flows from financing activities:    
Proceeds from issuance of common stock 9,445,134 0
Payments on note payable (8,130) (46,757)
Net cash used by financing activities 9,437,004 (46,757)
Net increase (decrease) in cash and cash equivalents 1,185,511 (5,532,939)
Cash and cash equivalents at beginning of year 3,280,687 8,813,626
Cash and cash equivalents at end of year 4,466,198 3,280,687
Supplemental cash flow information:    
Cash paid for income taxes 0 432
Cash paid for interest 26 2,177
Supplemental disclosures of non-cash activity:    
Net exercise of stock options 31,175 90,000
Trade Accounts Receivable [Member]    
Changes in operating assets and liabilities:    
Accounts receivables (377,099) (469,053)
Other Receivables [Member]    
Changes in operating assets and liabilities:    
Accounts receivables $ (203,880) $ (93,877)