BUSINESS SEGMENTS (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Revenue	$ 20,709,000	$ 14,317,000
Segment operating income	2,528,000	2,423,000
General corporate expenses	(1,426,000)	(1,552,000)
Interest expense	(109,000)	(142,000)
Earnings before income taxes	993,000	729,000
Segment assets	55,948,000	44,901,000
Corporate assets	4,829,000	2,970,000
Total assets	60,777,000	47,871,000	55,157,000
Long-lived assets	17,677,000	18,156,000
Tool [Member]
Revenue	15,629,000	9,672,000
Segment operating income	1,714,000	1,729,000
Segment assets	42,168,000	32,455,000
Long-lived assets	13,134,000	13,387,000
Hardware [Member]
Revenue	5,080,000	4,645,000
Segment operating income	814,000	694,000
Segment assets	13,780,000	12,446,000
Long-lived assets	$ 4,526,000	$ 4,646,000