BUSINESS SEGMENTS (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Revenues from unaffiliated customers	$ 17,622,000	$ 15,050,000	$ 47,180,000	$ 42,667,000
Interest expense - net	126,000	170,000	401,000	589,000
Income from continuing operations before income taxes	1,254,000	618,000	2,831,000	1,925,000
Total assets	54,108,000		54,108,000		46,586,000
Consolidated [Member]
Revenues from unaffiliated customers	17,622,000	15,050,000	47,180,000	42,667,000
Segment operating income	2,701,000	2,242,000	7,543,000	6,692,000
General corporate expense	(1,321,000)	(1,454,000)	(4,311,000)	(4,178,000)
Interest expense - net	(126,000)	(170,000)	(401,000)	(589,000)
Income from continuing operations before income taxes	1,254,000	618,000	2,831,000	1,925,000
Segment assets	49,167,000	45,758,000	49,167,000	45,758,000
Corporate assets	4,941,000	3,121,000	4,941,000	3,121,000
Total assets	54,108,000	48,879,000	54,108,000	48,879,000
Long-lived assets	18,258,000	18,323,000	18,258,000	18,323,000
Tool [Member]
Revenues from unaffiliated customers	13,327,000	11,182,000	32,672,000	30,361,000
Segment operating income	1,995,000	1,730,000	5,027,000	4,824,000
Segment assets	37,700,000	35,284,000	37,700,000	35,284,000
Long-lived assets	13,631,000	13,610,000	13,631,000	13,610,000
Hardware [Member]
Revenues from unaffiliated customers	4,295,000	3,868,000	14,508,000	12,306,000
Segment operating income	706,000	512,000	2,516,000	1,868,000
Segment assets	11,467,000	10,474,000	11,467,000	10,474,000
Long-lived assets	$ 4,593,000	$ 4,475,000	$ 4,593,000	$ 4,475,000