CONDENSED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income Statement [Abstract]
Services revenues	$ 5,435,000	$ 7,868,000	$ 10,074,000	$ 14,894,000
Products revenues	407,000	377,000	908,000	770,000
Total Net Sales	5,842,000	8,245,000	10,982,000	15,664,000
Cost of services	4,044,000	4,964,000	8,018,000	9,368,000
Cost of goods sold	333,000	276,000	725,000	545,000
Total Cost of Sales	4,377,000	5,240,000	8,743,000	9,913,000
Gross Profit	1,465,000	3,005,000	2,239,000	5,751,000
Operating Expenses:
Selling	693,000	719,000	1,431,000	1,622,000
Marketing	585,000	566,000	1,250,000	1,170,000
General and administrative	870,000	1,467,000	1,578,000	2,474,000
Total Operating Expenses	2,148,000	2,752,000	4,259,000	5,266,000
Operating Income (Loss)	(683,000)	253,000	(2,020,000)	485,000
Other income	30,000	7,000	67,000	12,000
Income (Loss) Before Taxes	(653,000)	260,000	(1,953,000)	497,000
Income tax expense (benefit)	(165,000)	76,000	(369,000)	149,000
Net Income (Loss)	$ (488,000)	$ 184,000	$ (1,584,000)	$ 348,000
Net income (loss) per share:
Basic	$ (0.04)	$ 0.02	$ (0.13)	$ 0.03
Diluted	$ (0.04)	$ 0.02	$ (0.13)	$ 0.03
Shares used in calculation of net income (loss) per share:
Basic	11,888,000	11,804,000	11,872,000	11,812,000
Diluted	11,888,000	12,076,000	11,872,000	12,040,000