Goodwill (Details) (USD $)	6 Months Ended
	Jun. 29, 2013
Goodwill [Roll Forward]
Beginning balance	$ 13,933,599
Foreign exchange	(66,287)
Ending balance	13,867,312
Industrial Hardware Segment [Member]
Goodwill [Roll Forward]
Beginning balance	2,099,783
Foreign exchange	(66,287)
Ending balance	2,033,496
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