v3.25.2
Condensed Statements of Cash Flows (Unaudited) - USD ($)
 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
OPERATING ACTIVITIES    
Net income $ 927,021 $ 818,231
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 20,466 6,615
Deferred income taxes 15,000 85,000
Provision of credit losses (12,236) 464
Stock compensation expense 38,954 50,447
Accrued interest on short-term investments (63,695) (66,158)
Noncash operating lease expense 8,042 0
Changes in operating assets and liabilities:    
Accounts receivable 349,225 (281,312)
Inventory 406,242 590,071
Prepaid expenses 102,264 (245,394)
Net investment in sales type leases (15,585) 27,207
Accounts payable, accrued expenses and other 58,236 (43,990)
Customer deposits (700,206) 271,136
Income tax receivable and payable 78,492 (151,282)
Net cash provided by operating activities 1,212,220 1,061,035
INVESTING ACTIVITIES    
Capital expenditures 0 (26,687)
Purchase of short-term investment 0 (2,000,000)
Proceeds from short-term investments 2,570,085 0
Net cash provided by (used) in investing activities 2,570,085 (2,026,687)
FINANCING ACTIVITIES    
Payment of dividends (185,579) (46,347)
Net cash used in financing activities (185,579) (46,347)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS 3,596,726 (1,011,999)
CASH AND CASH EQUIVALENTS    
Beginning of period 2,257,696 3,489,771
End of period 5,854,422 2,477,772
Non-cash investing and financing activities:    
Common Stock issued out of treasury stock for settlement of accrued liabilities 13,960 0
Supplemental cash flow information:    
Cash paid for income taxes $ 228,508 $ 383,300