STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Income Statement [Abstract]
Services revenues	$ 6,050,000	$ 7,098,000	$ 17,830,000	$ 19,356,000
Products revenues	419,000	450,000	1,334,000	1,406,000
Total Net Sales	6,469,000	7,548,000	19,164,000	20,762,000
Cost of services	4,171,000	3,734,000	12,153,000	10,494,000
Cost of goods sold	298,000	315,000	928,000	981,000
Total Cost of Sales	4,469,000	4,049,000	13,081,000	11,475,000
Gross Profit	2,000,000	3,499,000	6,083,000	9,287,000
Operating Expenses:
Selling	917,000	962,000	3,061,000	3,451,000
Marketing	242,000	468,000	769,000	1,254,000
General and administrative	879,000	1,145,000	3,149,000	3,110,000
Total Operating Expenses	2,038,000	2,575,000	6,979,000	7,815,000
Operating Income (Loss)	(38,000)	924,000	(896,000)	1,472,000
Other income	12,000	19,000	44,000	56,000
Income (Loss) Before Taxes	(26,000)	943,000	(852,000)	1,528,000
Income tax expense (benefit)	141,000	382,000	(276,000)	621,000
Net Income (Loss)	(167,000)	561,000	(576,000)	907,000
Other comprehensive income (loss), net of tax:
Unrealized gain on available for sale securities	0	0	11,000	7,000
Comprehensive Income (Loss)	$ (167,000)	$ 561,000	$ (565,000)	$ 914,000
Net income (loss) per share:
Basic	$ (0.01)	$ 0.05	$ (0.05)	$ 0.07
Diluted	$ (0.01)	$ 0.05	$ (0.05)	$ 0.07
Shares used in calculation of net income (loss) per share:
Basic	11,642,000	12,107,000	11,626,000	12,177,000
Diluted	11,642,000	12,241,000	11,626,000	12,351,000