CONDENSED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Statement [Abstract]
Services revenues	$ 4,400,000	$ 9,069,000	$ 14,474,000	$ 23,963,000
Products revenues	254,000	386,000	1,162,000	1,156,000
Total Net Sales	4,654,000	9,455,000	15,636,000	25,119,000
Cost of services	3,514,000	5,569,000	11,532,000	14,937,000
Cost of goods sold	214,000	323,000	939,000	868,000
Total Cost of Sales	3,728,000	5,892,000	12,471,000	15,805,000
Gross Profit	926,000	3,563,000	3,165,000	9,314,000
Operating Expenses:
Selling	573,000	908,000	2,004,000	2,530,000
Marketing	559,000	703,000	1,809,000	1,873,000
General and administrative	865,000	1,106,000	2,443,000	3,580,000
Total Operating Expenses	1,997,000	2,717,000	6,256,000	7,983,000
Operating Income (Loss)	(1,071,000)	846,000	(3,091,000)	1,331,000
Other income	46,000	15,000	113,000	27,000
Income (Loss) Before Taxes	(1,025,000)	861,000	(2,978,000)	1,358,000
Income tax expense (benefit)	(47,000)	216,000	(416,000)	365,000
Net Income (Loss)	$ (978,000)	$ 645,000	$ (2,562,000)	$ 993,000
Net income (loss) per share:
Basic	$ (0.08)	$ 0.05	$ (0.22)	$ 0.08
Diluted	$ (0.08)	$ 0.05	$ (0.22)	$ 0.08
Shares used in calculation of net income (loss) per share:
Basic	11,986,000	11,729,000	11,911,000	11,784,000
Diluted	11,986,000	12,012,000	11,911,000	12,026,000