STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Convertible Preferred Stock Series B Member [Member]
Balance at Dec. 31, 2016	$ 2,272,130	$ 10,049,823	$ 2,193,536	$ (10,461,515)	$ 490,286
Accretion of cumulative dividends	0	0	(24,152)	0	24,152
Stock based compensation expense (Note 2K)	120,090	0	120,090	0	0
Common stock issued (Note 6)	81,484	81,484	0	0	0
Net income	6,091	0	0	6,091	0
Balance at Dec. 31, 2017	2,479,795	10,131,307	2,289,474	(10,455,424)	514,438
Accretion of cumulative dividends	0	0	(24,152)	0	24,152
Stock based compensation expense (Note 2K)	14,738	0	14,738	0	0
Proceeds from exercise of stock options (Note 6)	9,765	9,765	0	0	0
Payment of cumulative dividends (Note 6)	(24,152)	0	0	0	(24,152)
Common stock issued (Note 6)	134,661	134,661	0	0	0
Net income	907,869	0	0	907,869	0
Balance at Dec. 31, 2018	$ 3,522,676	$ 10,275,733	$ 2,280,060	$ (9,547,555)	$ 514,438