CONDENSED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Services revenues	$ 4,639,000	$ 7,026,000
Products revenues	501,000	393,000
Total Net Sales	5,140,000	7,419,000
Cost of services	3,974,000	4,404,000
Cost of goods sold	392,000	269,000
Total Cost of Sales	4,366,000	4,673,000
Gross Profit	774,000	2,746,000
Operating Expenses:
Selling	738,000	903,000
Marketing	665,000	604,000
General and administrative	708,000	1,007,000
Total Operating Expenses	2,111,000	2,514,000
Operating Income (Loss)	(1,337,000)	232,000
Other income	37,000	5,000
Income (Loss) Before Taxes	(1,300,000)	237,000
Income tax expense (benefit)	(204,000)	73,000
Net Income (Loss)	$ (1,096,000)	$ 164,000
Net income (loss) per share:
Basic	$ (0.09)	$ 0.01
Diluted	$ (0.09)	$ 0.01
Shares used in calculation of net income (loss) per share:
Basic	11,856,000	11,819,000
Diluted	11,856,000	11,982,000