CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (unaudited) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (unaudited) [Abstract]
Net sales	$ 5,396,000	$ 6,475,000	$ 10,403,000	$ 12,922,000
Cost of sales	3,159,000	3,978,000	6,666,000	7,934,000
Gross profit	2,237,000	2,497,000	3,737,000	4,988,000
Selling, general and administrative expenses	2,384,000	2,355,000	4,927,000	4,886,000
Interest expense	10,000	15,000	21,000	32,000
Investment and other (income) expense, net	3,000	(2,000)	(7,000)	(5,000)
(Loss) income before income tax provision	(160,000)	129,000	(1,204,000)	75,000
Income tax provision	11,000	20,000	29,000	46,000
NET (LOSS) INCOME	(171,000)	109,000	(1,233,000)	29,000
Other comprehensive Income (loss):
Change in unrealized gains on marketable securities, net of income tax	4,000	2,000	6,000	6,000
Comprehensive (loss) income	$ (167,000)	$ 111,000	$ (1,227,000)	$ 35,000
Net (loss) income per common share:
Basic (in dollars per share)	$ (0.04)	$ (0.02)	$ (0.28)	$ 0.01
Diluted (in dollars per share)	$ (0.04)	$ (0.02)	$ (0.28)	$ 0.01
Weighted average number of common shares outstanding:
Basic (in shares)	4,373,000	4,425,000	4,376,000	4,456,000
Diluted (in shares)	4,373,000	4,459,000	4,376,000	4,491,000