v3.26.1
Condensed Statements of Cash Flows (Unaudited) - USD ($)
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net (loss) $ (152,713) $ (292,686)
Adjustments to reconcile net (loss) to net cash (used in) operating activities-    
   Depreciation and amortization 67,773 102,406
   Amortization of debt issuance costs 6,051 5,171
Changes in operating assets and liabilities-    
   Accounts receivable (77,961) (29,156)
   Inventories (160,715) 54,848
   Federal and state income taxes receivable 0 (150)
   Prepaid expenses and other (38,457) (329,643)
   Deposits and other 0 (562)
   Accounts payable 313,751 342,625
   Customer and tenant deposits (15,002) 80,395
   Accrued expenses (73,442) (49,347)
   Deferred revenue 1,350 15,742
Net cash (used in) operating activities (129,365) (100,357)
CASH FLOWS (USED IN) INVESTING ACTIVITIES:    
Purchases of sales and marketing equipment (5,370) 0
Purchases of research and development equipment, software and space modifications (14,411) (18,548)
Net cash (used in) investing activities (19,781) (18,548)
CASH FLOWS (USED IN) FINANCING ACTIVITIES:    
Principal payments made on term loan (14,093) (13,684)
Proceeds from issuance of subordinated debenture 0 75,000
Principal payments made on subordinated debentures (13,432) 0
Proceeds from issuance of shares from option exercise 336,300
Net cash provided from (used in) financing activities (27,525) 397,616
NET INCREASE (DECREASE) IN CASH (176,671) 278,711
CASH, BEGINNING OF PERIOD 746,001 1,243,746
CASH, END OF PERIOD 569,330 1,522,457
SUPPLEMENTAL INFORMATION:    
Cash paid for interest 25,191 19,324
Cash paid for income tax 0 150
Non-cash financing and investing activities: warrants issued with subordinated debenture $ 0 $ 12,000