STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Statement [Abstract]
Services revenues	$ 7,353,000	$ 6,050,000	$ 17,169,000	$ 17,830,000
Products revenues	370,000	419,000	1,170,000	1,334,000
Total Net Sales	7,723,000	6,469,000	18,339,000	19,164,000
Cost of services	4,700,000	4,171,000	12,624,000	12,153,000
Cost of goods sold	280,000	298,000	845,000	928,000
Total Cost of Sales	4,980,000	4,469,000	13,469,000	13,081,000
Gross Profit	2,743,000	2,000,000	4,870,000	6,083,000
Operating Expenses:
Selling	879,000	917,000	2,598,000	3,061,000
Marketing	409,000	242,000	1,262,000	769,000
General and administrative	1,004,000	879,000	2,871,000	3,149,000
Total Operating Expenses	2,292,000	2,038,000	6,731,000	6,979,000
Operating Income (Loss)	451,000	(38,000)	(1,861,000)	(896,000)
Other income	2,000	12,000	7,000	44,000
Income (Loss) Before Income Taxes	453,000	(26,000)	(1,854,000)	(852,000)
Income tax expense (benefit)	2,000	141,000	(580,000)	(276,000)
Net Income (Loss)	451,000	(167,000)	(1,274,000)	(576,000)
Other comprehensive income, net of tax:
Unrealized gain on available for sale securities	0	0	0	11,000
Comprehensive Income (Loss)	$ 451,000	$ (167,000)	$ (1,274,000)	$ (565,000)
Net income (loss) per share:
Basic	$ 0.04	$ (0.01)	$ (0.10)	$ (0.05)
Diluted	$ 0.04	$ (0.01)	$ (0.10)	$ (0.05)
Shares used in calculation of net income (loss) per share:
Basic	11,758,000	11,642,000	11,698,000	11,626,000
Diluted	11,777,000	11,642,000	11,698,000	11,626,000