BALANCE SHEETS - USD ($)	Dec. 31, 2018	Dec. 31, 2017
CURRENT ASSETS
Cash	$ 1,290,797	$ 1,322,743
Accounts receivable, net of allowance for doubtful accounts of $165,840 at December 31, 2018 and $181,473 at December 31, 2017	2,866,474	3,053,280
Inventory	762,165	466,207
Prepaid expenses and other current assets	291,837	464,385
TOTAL CURRENT ASSETS	5,211,273	5,306,615
LONG-TERM ASSETS
Property and equipment, net	86,656	71,786
Contract and other long-term assets	528,401	967,092
Long-term accounts receivable - financed contracts	1,030,354	1,515,120
TOTAL LONG-TERM ASSETS	1,645,411	2,553,998
TOTAL ASSETS	6,856,684	7,860,613
CURRENT LIABILITIES
Accounts payable and accrued expenses	387,868	572,485
Payroll liabilities	34,388	30,085
Notes payable	2,221	0
Customer deposits	334,784	18,168
Income tax payable	53,027	62,627
TOTAL CURRENT LIABILITIES	812,288	683,365
LONG-TERM LIABILITIES
Contract liabilities	1,690,660	3,313,772
Deferred tax liability	555,000	516,000
TOTAL LIABILITIES	3,057,948	4,513,137
STOCKHOLDERS' EQUITY
Common stock, $0.001 par value; 25,000,000 shares authorized: 4,656,734 shares issued, 4,528,669 and 4,511,965 shares outstanding at December 31, 2018 and December 31, 2017, respectively	4,529	4,512
Additional paid-in capital	1,795,955	1,809,511
Retained earnings	2,194,778	1,679,813
Stockholders' Equity before Treasury Stock	3,995,262	3,493,836
Treasury stock, 128,065 and 144,769 shares (at cost) at December 31, 2018 and December 31, 2017, respectively	(196,526)	(146,360)
TOTAL STOCKHOLDERS' EQUITY	3,798,736	3,347,476
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 6,856,684	$ 7,860,613