Goodwill (Details) (USD $)	9 Months Ended
	Sep. 28, 2013
Goodwill [Roll Forward]
Beginning balance	$ 13,933,599
Foreign exchange	(44,539)
Ending balance	13,889,060
Industrial Hardware Segment [Member]
Goodwill [Roll Forward]
Beginning balance	2,099,783
Foreign exchange	(44,539)
Ending balance	2,055,244
Security Products Segment [Member]
Goodwill [Roll Forward]
Beginning balance	11,833,816
Foreign exchange	0
Ending balance	11,833,816
Metal Products Segment [Member]
Goodwill [Roll Forward]
Beginning balance	0
Foreign exchange	0
Ending balance	$ 0