Balance Sheets - USD ($)	Dec. 31, 2023	Dec. 31, 2022
CURRENT ASSETS
Cash and cash equivalents	$ 3,489,771	$ 4,786,923
Short-term investments	1,502,805	0
Accounts receivable, net	2,109,193	1,868,488
Inventory, net	2,904,158	1,560,175
Prepaid expenses	364,886	417,254
Net investment in sales type leases - current	64,310	59,173
Income tax receivable	0	124,198
TOTAL CURRENT ASSETS	10,435,123	8,816,211
LONG-TERM ASSETS
Accounts receivable - long-term	891,351	1,523,793
Property and equipment, net	38,357	0
Net investment in sales type leases - long term	113,621	176,444
Software development cost	16,691	0
Operating lease right-of-use assets	243,171	157,802
TOTAL LONG-TERM ASSETS	1,303,191	1,858,039
TOTAL ASSETS	11,738,314	10,674,250
CURRENT LIABILITIES
Accounts payable and accrued expenses	305,664	417,853
Payroll liabilities	0	10,665
Customer deposits	785,805	1,485,622
Current portion of operating lease liabilities	114,294	55,942
Income tax payable	165,226	0
TOTAL CURRENT LIABILITIES	1,370,989	1,970,082
LONG-TERM LIABILITIES
Operating lease liabilities	126,760	97,476
Deferred tax liability	341,000	331,000
TOTAL LIABILITIES	1,838,749	2,398,558
STOCKHOLDERS’ EQUITY
Common stock, $0.001 par value; 25,000,000 shares authorized: 4,756,734 and 4,756,734 shares issued; and 4,634,865 and 4,621,988 shares outstanding at December 31, 2023 and December 31, 2022, respectively.	4,635	4,622
Additional paid-in capital	2,346,483	2,207,030
Retained earnings	7,771,655	6,297,639
Stockholders' Equity before Treasury Stock	10,122,773	8,509,291
Treasury stock, 121,869 and 134,746 shares (at cost) at December 31, 2023 and December 31, 2022, respectively.	(223,208)	(233,599)
TOTAL STOCKHOLDERS’ EQUITY	9,899,565	8,275,692
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 11,738,314	$ 10,674,250