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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Cash Flows from Operating Activities:    
Net (Loss) $ (3,748,995) $ (4,476,762)
Adjustments to Reconcile Net (Loss) to Net Cash (Used) in Operating Activities:    
Depreciation and amortization 271,329 296,536
Amortization of right of use asset 157,315 157,315
Amortization of deferred financing costs 70,939 62,480
Origination fees 15,000 0
Equity compensation expense 147,000 144,307
Shares issued to directors 51,000 45,000
Credit loss expense 267,309 1,050,543
Inventory reserve 0 1,005,000
Sales returns allowance 104,781 227,000
Decrease (increase) in:    
Accounts receivable 819,895 (470,512)
Inventory 637,376 60,363
Prepaid expenses 70,554 38,299
Vendor deposits (125,702) (6,560)
Other assets 115,677 (5,321)
Increase (decrease) in:    
Accounts payable (271,476) 657,349
Accrued expenses 178,258 (219,816)
Deferred revenue 212,308 159,724
Lease liability (169,220) (165,098)
Net Cash (Used) in Operating Activities (1,196,652) (1,440,153)
Cash Flows from Investing Activities:    
Capitalized patent and trademark costs (130,412) (153,636)
Purchase of property and equipment (5,165) (107,891)
Net Cash (Used) in Investing Activities (135,577) (261,527)
Cash Flows from Financing Activities:    
Proceeds from issuance of convertible notes 535,000 0
Proceeds from sale of future receipts, net of origination fees 300,000 0
Repayments of sale of future receipts (79,875) 0
Proceeds from exercise of options 0 27,500
Net Cash Provided by Financing Activities 755,125 27,500
(Decrease) in Cash and Cash Equivalents (577,104) (1,674,180)
Cash and Cash Equivalents, Beginning 664,879 2,339,059
Cash and Cash Equivalents, Ending 87,775 664,879
Supplemental Cash Flow Information:    
Cash paid for interest 437,474 312,000
Cash paid (refunded) for income taxes 0 0
Non-Cash Investing and Financing Activities:    
Service equipment reclassified from inventory to fixed assets $ 14,397 $ 0